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 - QUEZON CITY 1ST ED Award a ₱19.4M contract to C.E.M. CONSTRUCTION INC.National agencies
Transaction hash:
d6f975a6718f4dcadf558496c0f4b4349ec7bf101c311513311fa48e5e93bea9
Status:
Included and unchanged
Block:
#5,417 596 blocks after it
Position in block:
Transaction 292 of 342
Award day:
Feb 15, 2024 (2 yrs 8 mo ago)
Value:
₱19,374,261.81
Project:
24OF0064 - Construction of Drainage Systems at Jem
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 #5,417 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 2024 OO-2", i.e. the FY2024 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 - QUEZON CITY 1ST ED awarded it to C.E.M. CONSTRUCTION INC. on 2024-02-15.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 24OF0064: 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 2024-06-25). 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 d6f975a671…93bea9now …
- 2. Block Merkle root changedstored 72d24031c2…1ca8cfnow …
- 3. Block #5417 hash changedstored 68d9c1f458…dcfeffnow …
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 341 records. Each step hashes the current value together with the sibling shown.
- leaf d6f975a6718f4dcadf558496c0f4b4349ec7bf101c311513311fa48e5e93bea9
- 01 R d7b91dc8d91a750fdc53c83e2cae0e78e07299a09ae9f949cdfcb03611d42d3d
- 02 R 4c41f2cfc302e93b780d7f58d7d7ae7a5545bff4e20bb02ed1a929c151ab1178
- 03 L 9d9c6872961a6f0eb714fea17395e506da95428aff0926c9411434fbaa4f48e6
- 04 R ca6c5fbc73a04eef304f1874184152f6d14e93513402c6f5bfb59d139b19b2b5
- 05 R c1767496065c7aa4f5f65b809d7aa03f97f359fa54ce213913c59b75c5bd3a7a
- 06 L e5f27754ed2136eb1be6d6387bd38e74ba778bb0531456e4de24b79a739b9461
- 07 R 47c7c32a31a68cb946ae9c65b232f00f87bba5a41dfa5c304b9aba0b6658471b
- 08 R 7099563787aa52cb07370db90f63fd8890d632027aa0014e022caf9002ad1baa
- 09 L ea6a4c36a66ebb7639bc0ec0d657f3da5e9676c4d4f4eff0a3d508c696249126
- root 72d24031c204a9c5d6e11fe66ad425b0cffce774b8ec6efbdcc3166e311ca8cf