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 - CAGAYAN 3RD DEO Award a ₱4.4M contract to MAIDA'S CONSTRUCTIONNational agencies
Transaction hash:
64e2e80b5ca90568d86cf0e8945de2eb680a3a20bf9b9aec705a58abedd31977
Status:
Included and unchanged
Block:
#4,944 1,069 blocks after it
Position in block:
Transaction 88 of 195
Award day:
Oct 11, 2022 (4 yrs 1 mo ago)
Value:
₱4,418,742.24
Project:
Construction/Rehabilitation of Water Supply/Septag
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 #4,944 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 - CAGAYAN 3RD DEO awarded it to MAIDA'S CONSTRUCTION on 2022-10-11.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 64e2e80b5c…d31977now …
- 2. Block Merkle root changedstored 439adbd4d2…cd15a2now …
- 3. Block #4944 hash changedstored c871ccf2df…2493cenow …
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 194 records. Each step hashes the current value together with the sibling shown.
- leaf 64e2e80b5ca90568d86cf0e8945de2eb680a3a20bf9b9aec705a58abedd31977
- 01 R 65546897e70abc8132ec5d0ebb72e2e0cbda30ced724d78cbf90617cbf58ebeb
- 02 R 94c0e60c2ef234788bde313b9f7ef786bef9bc3597ed5db669b7811a802520d8
- 03 R 45b5dcf87552d3a5a246c43d20a9e8a5fb0a438e38482540e119a927107623db
- 04 L 7e623b6d3f36ba02be91ce9168f9e4289cc3d294f8579e81eefef0adc3c32457
- 05 L 2b81b91b6b90a328c071f5e7bb454bca5ed0309dd71d9de45bcf7df0264a5482
- 06 R d8b0a2601828ea278cf899c2701941b71e0bd35b7c99cf863f1e585225a8b3e6
- 07 L 0a29d822108b0c68efe9809ff91cfbe0bd295e69af426dbe11606df8f41fb43b
- 08 R 1aefea4ead473044fedf1fe519b3d853d51757cbae1adda95e13d3214a58a2e5
- root 439adbd4d221bef406cd8bb8075d87b459a8bd2dae3e3bc9360b36d4e6cd15a2