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 SURIGAO, SURIGAO DEL NORTE Award a ₱8.0M contract to TRI-AC CONSTRUCTION AND SUPPLYCities
Transaction hash:
2902af46ecbe2afbee0ee861ca98187fd0335769afa6824d12ce7405279cad02
Status:
Included and unchanged
Block:
#5,749 264 blocks after it
Position in block:
Transaction 52 of 304
Award day:
Jan 22, 2025 (1 yr 9 mo ago)
Value:
₱7,997,266.03
Project:
Const. of Water Supply & Sanitation Project
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 #5,749 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 SURIGAO, SURIGAO DEL NORTE awarded it to TRI-AC CONSTRUCTION AND SUPPLY on 2025-01-22.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 City of Surigao 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 2902af46ec…9cad02now …
- 2. Block Merkle root changedstored 6bbde1b895…212631now …
- 3. Block #5749 hash changedstored f5ef14c53e…11f868now …
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 2902af46ecbe2afbee0ee861ca98187fd0335769afa6824d12ce7405279cad02
- 01 R 29520323492343dea91630cd2f8fdd039426e4a55da371706fe3d1c710f3020e
- 02 R bc48df7631c6ec68e95baf79c29b5cb159e59eceb3e600f2d5498bde3fcfc79b
- 03 L dd9ae508178436ae9b75d95a4899769347a5a83d5a30430200558fe22de1d88f
- 04 R 483cf63c85e4077f64ae83f1a0ef82a161ec17a887cc85f76c54b0285e631fa1
- 05 L 1b289669e26fa45157486298a5c36b3c335fdcb82d571061fc8ed45a1258fd25
- 06 L 3761f29afd46d25f24b85228d6b594a43c72f6b1e3ab2a378d20df70d0fe62c1
- 07 R 9ecc40c4d5ebc327235783da012f7f1cb8b28780d8eeab9068b9418ab4748672
- 08 R d958a633f8cfea9ce8648f425dec952413212b21c52fc72f5c7ed00518ef7a5d
- 09 R 689f75fc688c4a2b34973f20bada2a87abc2e874cfb039a7a641c6226bfcbbd2
- root 6bbde1b895f8b7ec65f13ccae175c1b5e0e4793c4c16363f953a4535d1212631