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 CAGAYAN Award a ₱4.9M contract to MARTHA CONSTRUCTIONProvinces
Transaction hash:
751b82aa27411b7f8a09e1bc7f8e53442a0a8412cbd0900216513c94c3c5ee2d
Status:
Included and unchanged
Block:
#1,715 4,298 blocks after it
Position in block:
Transaction 431 of 977
Award day:
Mar 26, 2013 (13 yrs 7 mo ago)
From:
Value:
₱4,922,053.83
Project:
Construction
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 #1,715 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 CAGAYAN awarded it to MARTHA CONSTRUCTION on 2013-03-26.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 Cagayan 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 751b82aa27…c5ee2dnow …
- 2. Block Merkle root changedstored 0522c0ffe3…63bfd1now …
- 3. Block #1715 hash changedstored 8b5ca71d2e…0f3d82now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 976 records. Each step hashes the current value together with the sibling shown.
- leaf 751b82aa27411b7f8a09e1bc7f8e53442a0a8412cbd0900216513c94c3c5ee2d
- 01 L 74ef18630bb686d3612dbebead026b1e1f5ee80382751631f7e2381dc7d46a3c
- 02 L 3fe84519de03f00d9435407871cacf56c067fcf29b614c90046012aa01c7bb0b
- 03 L fc5f4f7af72a5c5f9bc4c8b63701a7995f516fb76b23420d241e37f3663989f2
- 04 L 90783388e8623f64c2b55675395e73b8af803f5efb3653ba81b4a7c5f77dcc24
- 05 R 8256b4e21cee6ffccd4374c92197ae033dfcc33ced8eff39ec1ff4e9649a724c
- 06 L ecf0270c9de1095773211fa7cf5e9472ada9fbda4c8cbe6335ccf5015c3d2ebd
- 07 R 68a6deb061e271e6fb02125b28e8330ba6bc919ca1a9ed6a85463db33a9e9510
- 08 L da5a9de8cd37f1df430e7c3e02003f92c5cae77e8e29d15f70ff475fc279b1f8
- 09 L 80db0d95479eb1ecc9144ccef052c303183f8731424651cee9091f5b8c993bc6
- 10 R 7c216a095123ad17baa7b05b891fb204e5da028e7dc657fedba201b03c3bc009
- root 0522c0ffe36d6afacf299f85904ea71d87cd14c82a117108d541dc9e1063bfd1