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
MUNICIPALITY OF TUBAO, LA UNION Award a ₱490.8K contract to ARM ASIA CONSTRUCTION & ENGINEERINGMunicipalities
Transaction hash:
56d898fe6b59eba2b3a7d899145244748bd0132138ce43f9fdd56a984ebfa74f
Status:
Included and unchanged
Block:
#1,384 4,629 blocks after it
Position in block:
Transaction 16 of 46
Award day:
Feb 22, 2012 (14 yrs 8 mo ago)
Value:
₱490,774.14
Project:
ROAD IMPROVEMENT - Sta. Teresa
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 #1,384 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)MUNICIPALITY OF TUBAO, LA UNION awarded it to ARM ASIA CONSTRUCTION & ENGINEERING on 2012-02-22.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)COA's CY2024 audit of Tubao gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 56d898fe6b…bfa74fnow …
- 2. Block Merkle root changedstored 9437b0597f…6f7709now …
- 3. Block #1384 hash changedstored 66618fa326…aac94bnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 45 records. Each step hashes the current value together with the sibling shown.
- leaf 56d898fe6b59eba2b3a7d899145244748bd0132138ce43f9fdd56a984ebfa74f
- 01 R 56efa7ab6c6c0e4f8c58a553f45a8f88dabc1981858c0aa059cc1450d9e82f11
- 02 R 25cdb6c2333fbe2252a87ea82cfea84d31ce92e336b93c80395b732ec9ee3255
- 03 R 0da36cf70ebb501cdec464c1b6d5330cc35c912f180e1840eb90089b553ab709
- 04 R 1314822e7b26cb585b0bd36910179c64aa12e5d2b18a2b33113c0157f99ef2ca
- 05 L 96528f3e8a279766ec72532593fd3a2c5f65125953b8c700bf45ddd8e54c622c
- 06 R 684957b91e24032f6d6009f5fca33457159e25f760117d7a93af8277768319e3
- root 9437b0597f19b99bc767fff2ae63f86902467290e0d8cc8f3d6aaec8f36f7709