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 - REGION XIII (CARAG Award a ₱112.2M contract to CM TAN CONSTRUCTIONNational agencies
Transaction hash:
e973834ec412fb5749db4dcdd6b7780c8ce9c3d9f0811271c7b60b8a14442246
Status:
Included and unchanged
Block:
#4,555 1,458 blocks after it
Position in block:
Transaction 194 of 216
Award day:
Sep 1, 2021 (5 yrs 2 mo ago)
Value:
₱112,170,689.41
Project:
21N00064 RE-AD
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 #4,555 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION XIII (CARAG awarded it to CM TAN CONSTRUCTION on 2021-09-01.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 e973834ec4…442246now …
- 2. Block Merkle root changedstored b2adec6bd0…87b7d6now …
- 3. Block #4555 hash changedstored d4ef9df625…7783fdnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 215 records. Each step hashes the current value together with the sibling shown.
- leaf e973834ec412fb5749db4dcdd6b7780c8ce9c3d9f0811271c7b60b8a14442246
- 01 R eabeed3a2033581a5c4c950f5c3ef0b6d7e41273b1661902d621830e036a877b
- 02 L d84f3e09d9544d17f5d2e81012427a8092014342a4b08742c9867770cabf7463
- 03 R 6c55142f845ec3c067ec795cafe390ba5826c1e8e378677065601f672f57e1e2
- 04 R 0c61ff55710e5a9c4035d88065873408add046b0465443eef4240495cc1f5d71
- 05 R 732a213594f275afb826e9c29b40494c515ba2e3cd565ea6277d8ef5615301b5
- 06 R 716cf5dbefe180ceb575f35a8dd1a9e01062e1f1cabe6ef96314c6ad00152eb2
- 07 L 382005ed31e202b4bb57f0dfac40be42d71c2ab3650b1fd5b80c89ffae364aa5
- 08 L 1870d41e2789ed1a15e7bafaa412301902009d6f73819dd89e2aaf6e3ec63384
- root b2adec6bd08947fdd806d55219f72fe09a072c6eda4532aca49a7b789587b7d6