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
PROVINCE OF BATANGAS Award a ₱1.5M contract to REVERE CONSTRUCTION & SUPPLY CORPORATION - BATANGASProvinces
Transaction hash:
5a37f42012e006e8383bdc528c0afcc8dc1ff641ada7bcb6a232565961e9f738
Status:
Included and unchanged
Block:
#1,689 4,324 blocks after it
Position in block:
Transaction 96 of 290
Award day:
Feb 25, 2013 (13 yrs 8 mo ago)
From:
Value:
₱1,455,600.00
Project:
Civil Works
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 #1,689 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)PROVINCE OF BATANGAS awarded it to REVERE CONSTRUCTION & SUPPLY CORPORATION - BATANGAS on 2013-02-25.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 Batangas gave a "not stated" 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 5a37f42012…e9f738now …
- 2. Block Merkle root changedstored e75b909645…3482b6now …
- 3. Block #1689 hash changedstored 8886641188…b372acnow …
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 289 records. Each step hashes the current value together with the sibling shown.
- leaf 5a37f42012e006e8383bdc528c0afcc8dc1ff641ada7bcb6a232565961e9f738
- 01 R 5a4e593248bec6a25c45517016c92f8e11a10cda66d4a86e3932cb664485adbe
- 02 R a104096d8c2f5c37d80740c59b09d1e265a58ec143c742df4821736667e4dd2e
- 03 R 114fcfff77af5165c85ccc1d7560457aed7d90cfcef8ba179cc7dff224b8bdcd
- 04 R f117d94e3e289bea530b1d2a155c3d360952f24633245c049e46da72f896b861
- 05 R 5638a3d393ecb10cc3b2eb99332633593969e50867d862f68b2afba700e8c8a6
- 06 L 2cc5974d3761fddb324caf32bef82fe0db91c753c3df05bd26a0f8c2f20ae4c1
- 07 L 4c22dd5d5b7f549247c3c1a236bbab5563371e1e30717be0a6e4bca68d40576e
- 08 R cb30004e691eaa539c65da0a4a5c0b89caaa630c1fd1fd399a0bbb716a324c9f
- 09 R 3b49f4fb7b7dc9f3d183b6ecb8d0014a00e08f51d64279f7ab2f6404a80e1025
- root e75b909645a5f8cbfcda55b540d5e72271699ae01fcd712cc6889112c23482b6