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 - AKLAN DEO Award a ₱10.0M contract to J.C. TAMAYO ENTERPRISESNational agencies
Transaction hash:
f9fe8e7447ea300916f7d6cb4b2ee1c157debf9b32d886fe95eab28f2dad30d4
Status:
Included and unchanged
Block:
#5,938 75 blocks after it
Position in block:
Transaction 193 of 198
Award day:
Aug 18, 2025 (1 yr 2 mo ago)
Value:
₱9,994,778.29
Project:
25GA0155
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 #5,938 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 - AKLAN DEO awarded it to J.C. TAMAYO ENTERPRISES on 2025-08-18.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 f9fe8e7447…ad30d4now …
- 2. Block Merkle root changedstored 0bdff7dd23…f67c1bnow …
- 3. Block #5938 hash changedstored 0a31825eb5…a80ab6now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 197 records. Each step hashes the current value together with the sibling shown.
- leaf f9fe8e7447ea300916f7d6cb4b2ee1c157debf9b32d886fe95eab28f2dad30d4
- 01 L f8c81d7c0f82b85065b939fbfc9f6b634faa699a9419fc2cbb03e4c3ebc4fbb6
- 02 R 6ef93a5e9d2cb463ca47c6527ffb2c11435ba1bb8b59e5ced817e75242d42a75
- 03 R 819bb6f7bbb829157e7245a9a96611f622e90db13e12dd9018f636e34d00b053
- 04 R 0945e1a3973b3067153c0c03785f4df5bb9d51ebf10199ddc12eb34ce4d5edcf
- 05 R e01087a771d5d3d636049cc45d59934579674de662280cea7f018fd8b7f5053e
- 06 R bca15ea1accb2060a49783036919d312ee25e5134d18e88579be1f794f56262e
- 07 L 05ed8554ddca99b3e511c66cdf9d2d2cf64ae8bfcd2b1986201558123002d7bf
- 08 L d92ecf63a455dc0b97628b4b399a65015b33224b0cebd9781453492d8944c6dc
- root 0bdff7dd2351f1c5a401c189c740e26bfa5f6a9ac3d65234ae1807932af67c1b