DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SORSOGON 1ST DEO Award a ₱9.8M contract to STEVEN CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
7c3ce1d6f1c8a4dd5dbce4c12a0583837cea80d20a98f7c0aff8868449da0cb3
Status:
Included and unchanged
Block:
#5,849 164 blocks after it
Position in block:
Transaction 1,066 of 2,247
Award day:
May 13, 2025 (1 yr 6 mo ago)
Value:
₱9,759,360.18
Project:
25FK0038
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #5,849 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SORSOGON 1ST DEO awarded it to STEVEN CONSTRUCTION AND SUPPLY on 2025-05-13.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored 7c3ce1d6f1…da0cb3now …
- 2. Block Merkle root changedstored 58b95a1e2b…be60c7now …
- 3. Block #5849 hash changedstored f594188ad5…82d8d8now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (12 steps)
How this one record is tied to the block's Merkle root, without needing the other 2,246 records. Each step hashes the current value together with the sibling shown.
- leaf 7c3ce1d6f1c8a4dd5dbce4c12a0583837cea80d20a98f7c0aff8868449da0cb3
- 01 R 7c40ae05587d4718459030adb317d38ac5c7789658416ede67213cb10dcc7e2e
- 02 L dc722f3f688bc855e354e56b58b4873689521b2b57a4db74c7a64a8ef8b78d0a
- 03 R 1764e59c0948c00d1550986bb6a108179f036d0478490ba801952a24dc8bd1a3
- 04 L aed5ffd0fbe033c0e89656479e1399254a93a7be0a7c19f27ffb286fb1bf9185
- 05 R 2a2ad258323a07f75a92408ec07f6695daf387dc2a70286d207eca230756859c
- 06 L 7c0c149779e763bc2da434156ca8cabf2323b989b5c2d4aa45e8b201db00285d
- 07 R 8459d315d67d0d5fd10a15032c4ea0d3b2b47a0e6918c3ec50a56d100f411460
- 08 R 270b68efeb59f01d212b1dadb47d027ba4858fc1f141c415f17be1c3d6eb930e
- 09 R abcc96c1c1283c81393569b8812db277db59de6d37e121f69ba88528d2bace02
- 10 R ea125963d084d432daff303b8aa43c46a38092a63ca2b75f645d79161d754291
- 11 L 18499a4ce0e34b4b142c163c2b5bcae55a56481ed611058639b25c9eec53b010
- 12 R 04ba01cea06f48b384d360863d398280882c79aa1da5413a41a682b30a1107a5
- root 58b95a1e2bc6c28d4fcaa9d4af1b965925181ce379d567b394b87a4a4fbe60c7