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
CITY OF ZAMBOANGA, ZAMBOANGA DEL SUR Award a ₱1000.0K contract to RRMEC CONSTRUCTION & SUPPLIESCities
Transaction hash:
11aeeb1e99d8a38e3afd22fa6c1195e72e97c0fba262ce57179161ef384cd8b8
Status:
Included and unchanged
Block:
#1,400 4,613 blocks after it
Position in block:
Transaction 8 of 109
Award day:
Mar 13, 2012 (14 yrs 8 mo ago)
Value:
₱999,999.95
Project:
Concreting of Road at Sta. Catalina [ Alternative Mode ]
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 #1,400 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)CITY OF ZAMBOANGA, ZAMBOANGA DEL SUR awarded it to RRMEC CONSTRUCTION & SUPPLIES on 2012-03-13.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)COA's CY2024 audit of City of Zamboanga 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 11aeeb1e99…4cd8b8now …
- 2. Block Merkle root changedstored 3c382890e6…171af0now …
- 3. Block #1400 hash changedstored 1d070db5d8…153278now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 108 records. Each step hashes the current value together with the sibling shown.
- leaf 11aeeb1e99d8a38e3afd22fa6c1195e72e97c0fba262ce57179161ef384cd8b8
- 01 R 127039c22aae45f542984d183cc214dcfe63f043e14ecf9dc1110f98396a8b8e
- 02 R b9736eae6739458942b3a5c851983acd1238c3ff225b5d98e1d1231e912e4ba9
- 03 R 6b8a8bd423ca489914ef22d091a7378f05c3db20b5dcae4d40692dc741129e91
- 04 L d429b1bf2f8e8f77831b25319ca9e313f47215a28de58ebea7c4c4e775a16293
- 05 R fdfd380ed528a0192c06ecaa665c686c676a574cd682bfb70d3d88687c3f331b
- 06 R 64241a92631ede0d9fdfbb004cfb6bc05b7af0746c0b1f3da8dcc4472a1b02df
- 07 R 98b8d3d54735abb8c80bf1eb8a26cf20516eac32e4f7e4206ac8d8da61f14862
- root 3c382890e67dae008b5186f187a32ac8ce931b1ad87bc9e4c38e183534171af0