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 - NORTH METRO MANILA Award a ₱46.4M contract to PRECIOUS CONSTRUCTIONNational agencies
Transaction hash:
c364f0484512abe68e7a6f4bd9853d18a2a16e5a6e075e4e106ee0f1b16f7c7f
Status:
Included and unchanged
Block:
#2,676 3,337 blocks after it
Position in block:
Transaction 289 of 362
Award day:
Feb 29, 2016 (10 yrs 8 mo ago)
Value:
₱46,387,988.03
Project:
Flood Management Services
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 #2,676 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 - Flood Control/Hydraulics/Dredging, Flood Control/Hydraulics/Pumping Station, Flood Control/Hydraulics/River Control". 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 - NORTH METRO MANILA awarded it to PRECIOUS CONSTRUCTION on 2016-02-29.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 16OE0021: 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 2017-07-19). 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 c364f04845…6f7c7fnow …
- 2. Block Merkle root changedstored a36c564149…855655now …
- 3. Block #2676 hash changedstored 45a2e5e046…319b73now …
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 361 records. Each step hashes the current value together with the sibling shown.
- leaf c364f0484512abe68e7a6f4bd9853d18a2a16e5a6e075e4e106ee0f1b16f7c7f
- 01 L c2592432dd11db8a282ddb7cd4ef287e15dac26c3f01f55cae7b996bc4f0930a
- 02 R 1e1624515ebda1c1f59ade831ca3fc771194eaed535187e42f684576b75a45fa
- 03 R 243f7249e2bc8f2affc335885aa3997f923851e7fac5de0dae9e9cda2fbe6398
- 04 R d24660a8bc393a57b03b2aecca657446415a3f2035ecf1b8671e877f905e80e2
- 05 R b9997e6ce0f7a92fd44a378a584b3a011a10a7a6cc9e27e70b318630bb597c62
- 06 L 0dc4a20ef2cf5fc6c45c9684e3fa1329e34518195f823811b9df221135a9794a
- 07 R 76b606e9c378a0f16afb1379f0c3465ad1a1f127744b44894dc027b7bd36f056
- 08 R 4531e4ba9247439cd9f1a2990d0424e2d21dbd5d319229700a20d85226cd20fe
- 09 L 4d998493e34e12a8689a0020c73982f9307cd5719d60daa6d9beeeb6d9876615
- root a36c5641497855adddab6ac8927eb5561df84ea1c76be26c1d6f6eff2d855655