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 - ILOILO 1ST DEO Award a ₱14.7M contract to CONTE BUILDERS & CONSTRUCTION SUPPLYNational agencies
Transaction hash:
a331a23d100ab4e363c2c54e668a0e23e9ba76bfcd6dca953bc4cfd8cd256dc5
Status:
Included and unchanged
Block:
#5,812 201 blocks after it
Position in block:
Transaction 836 of 1,376
Award day:
Mar 26, 2025 (1 yr 7 mo ago)
Value:
₱14,678,173.53
Project:
25GF0051
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 #5,812 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)DPWH lists the funding source as "Regular Infra - GAA 2025 OO-2", i.e. the FY2025 GAA. The exact UACS line is not given.Partly
- 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 - ILOILO 1ST DEO awarded it to CONTE BUILDERS & CONSTRUCTION SUPPLY on 2025-03-26.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 25GF0051: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2026-04-09). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 a331a23d10…256dc5now …
- 2. Block Merkle root changedstored 826d57e981…f5a1fdnow …
- 3. Block #5812 hash changedstored c3af4c89f9…8b611bnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,375 records. Each step hashes the current value together with the sibling shown.
- leaf a331a23d100ab4e363c2c54e668a0e23e9ba76bfcd6dca953bc4cfd8cd256dc5
- 01 R a3a45bb3c4e4bb113398726a05cae077fb3502de11237ec5edabcc9bd616a21a
- 02 R 14f608e2e43132c464c11abe8dc10642f20369872c82273aea5303128f482173
- 03 L 372e2ad2d5b57eefdf71f8ba27d4ea22f2ba8bb8b3afa76ad4fb41687fd4cd9c
- 04 R 40c95a34fd7a7e4aef3348796c16966f29620b7f8085a9c8377320b07b2ce03a
- 05 R c1b000d1f63a8783bcd5289729c80381f1abc663512aa7e027c2ba8787cc8aae
- 06 R 19c0322c52d7bdf4f22ce57bec4c0495fe9458e3592da5541559a712920858de
- 07 L c37f784e821c5aae9ec9631e8673fb70c7d424349e3b706e4f74fd6eb2fee123
- 08 R ba7478637b6a73a4552894ea08de6d312334607ee20071c7cc2248adbe868487
- 09 L c8fd0498af3ba61ec3c446f45aeac45a8795f72e84c02614a51dff3f34371a55
- 10 L e1175ccd649255087096c7c42098b7775ce88d8a66b7e928c253769f246f550e
- 11 R 4d35a1f3e3f031846bc86d8addc31223950dc05559140a8d8095a8d578ed57eb
- root 826d57e98128d5f582135baa887df2bf20ad5c3407f984661dd09ea7c2f5a1fd