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
CITY OF QUEZON Award a ₱4.7M contract to R.A. PAHATI CONST. & SUPPLY, INCCities
Transaction hash:
8f303ff2f85fa5e7f7489d0c7dbc2f9ff702e6fda4302b37c0fef62e1445c7c8
Status:
Included and unchanged
Block:
#2,145 3,868 blocks after it
Position in block:
Transaction 83 of 159
Award day:
Aug 4, 2014 (12 yrs 3 mo ago)
From:
Value:
₱4,676,023.83
Project:
14-1025C
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 #2,145 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)CITY OF QUEZON awarded it to R.A. PAHATI CONST. & SUPPLY, INC on 2014-08-04.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)COA's CY2024 audit of Quezon City gave a "unmodified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 8f303ff2f8…45c7c8now …
- 2. Block Merkle root changedstored 5466646356…d9e3b6now …
- 3. Block #2145 hash changedstored a48e0f6695…cd3dd3now …
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 158 records. Each step hashes the current value together with the sibling shown.
- leaf 8f303ff2f85fa5e7f7489d0c7dbc2f9ff702e6fda4302b37c0fef62e1445c7c8
- 01 L 8e3e9f5738b8c21ecc74332618643c8b874eed939c59dd6f09ae5963bcf96c65
- 02 L 7cf2020a6bb155be5304e34dc6ec6591216a03f6913b4eb2f6e476400eb8e3d2
- 03 R ba9b0a12b4aa4e5ba2d9081582a832b1d38def8cca16b9cc02b5f9a85a11a305
- 04 R d810b54b522dae6665b4aac803c9fee1bf60513de67476098b823c6d58f83855
- 05 L 174f61832c756192b83344d251a69b6481bf63162dc00364a249388f7557b97e
- 06 R ec505f0d85e1b602835a150e542c750d42ade70c3dd3e82d35879dacda269c2b
- 07 L 52e7da9fb4cefa98574e4afc9937917fa907db440bb728c4c725939ae9f2346e
- 08 R 2043765a8ceb8e47a3d1167ac704572eb2eef8f8f6cfd0415bab81678fe79679
- root 54666463561e8c8fed5bcc3c3fd6441c5b8b40886779f64becd5e8bbb3d9e3b6