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 - REGION V Award a ₱31.8M contract to AREMAR CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
54c79aff0fc655a2e9fcdfd775515c242a6f107e11c3a7760d438ad637386856
Status:
Included and unchanged
Block:
#5,902 111 blocks after it
Position in block:
Transaction 111 of 304
Award day:
Jul 8, 2025 (1 yr 4 mo ago)
Value:
₱31,829,479.27
Project:
25F00113
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 #5,902 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 - REGION V awarded it to AREMAR CONSTRUCTION CORPORATION on 2025-07-08.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 54c79aff0f…386856now …
- 2. Block Merkle root changedstored fd8a9a8323…f6c135now …
- 3. Block #5902 hash changedstored 776e30a60f…1110danow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 303 records. Each step hashes the current value together with the sibling shown.
- leaf 54c79aff0fc655a2e9fcdfd775515c242a6f107e11c3a7760d438ad637386856
- 01 L 54407321c6443d04764c06c0ea1686b88758963312857a9dab7b170ee74f422f
- 02 L 468dd345a01a49e1cdfefa5fde53be7fb44a2f135938a2db5cdab3f62793de68
- 03 L 625c557a5e03eae87fc7adb596dc6db59fe45c2578c8ebcebe8ec4a3a36739ab
- 04 L 0cba6274c7098f5ba970664837568d0642644d8649484f2bec7aaebaf2b14912
- 05 R aa7f5ff1d10f4ebaf52cc741cbdf05eeede5945e4a532ecd1312d3745f386d8b
- 06 L 69a491687ef46227a74151dd41a42181458d3a413df45a1ca0462f983f886b33
- 07 L ba33fbd172e8ed9f5e4e309732e0296b8a5c8a4dac4fc6bb1bfc05cacc8c1c8d
- 08 R 8bee3d3ed570dbc246d01bfaaf83a07ede0ea87c815fa5e411c193e4e7f59310
- 09 R 5492b8c5c1b9b7c667c2c4d215bfa2d25f899d8ebfca6d74d0b1c7403b175a54
- root fd8a9a8323454c419dca7eb70c0993e82b9e775d711171c79fde9a5ff6f6c135