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 - MALABON-NAVOTAS SD Award a ₱37.4M contract to C.B. TAMPENGCO CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
0a6f2ce4505bee15bb7edeed1e4d19627624be494493bdfb4101a168718ccaaa
Status:
Included and unchanged
Block:
#4,412 1,601 blocks after it
Position in block:
Transaction 7 of 201
Award day:
Apr 6, 2021 (5 yrs 7 mo ago)
Value:
₱37,360,627.85
Project:
21OA0041
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 #4,412 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 2021 LP", i.e. the FY2021 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 - MALABON-NAVOTAS SD awarded it to C.B. TAMPENGCO CONSTRUCTION & SUPPLY on 2021-04-06.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21OA0041: 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 2022-01-21). 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 0a6f2ce450…8ccaaanow …
- 2. Block Merkle root changedstored 9a412d7fad…038ee4now …
- 3. Block #4412 hash changedstored b0cf0569e3…bc3c80now …
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 200 records. Each step hashes the current value together with the sibling shown.
- leaf 0a6f2ce4505bee15bb7edeed1e4d19627624be494493bdfb4101a168718ccaaa
- 01 L 0a555cbc989f8b6f277dfbd4cb0d62910fcbaa8d94cd7d73da7ae12196fd2004
- 02 L 1cd694e0710632b94e7c5fac7d3f20f9c6bead2ebd593cb2919a3f3715721fec
- 03 L e22b1df570a6aaa090c3d0c680e7c7260608ae3c2a9e9473fffefb5ee69bc859
- 04 R eaa5464f2db762c4c8cc023c2d99fd819bc29539ee2eb9a4cec76d5aed15230e
- 05 R 7b399838d51e152a8b02fec9afe176688edbbcb49281c05eef09aea7fdfdee8d
- 06 R ca9ae7d6a30aafd2fefd0d5201876f38a714a77548495431bc92c2879076f340
- 07 R 70cfcd8b6b1c18afa96f1de7382931f29e8bb7d42c706fbe20e800ac3b0a944c
- 08 R 487b934832f6e6929a353ef484c0ac39d05ebb6ee5bdd6b2d6c6126dc0917c27
- root 9a412d7fad9d5ea7d41883e69b98c2a0aca7b7e679cde987fca3379fad038ee4