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 ₱180.0M contract to A.L. SALAZAR CONSTRUCTION, INC.Cities
Transaction hash:
a6ebc86bb3669ecdea03b6f3d2692aae4e7c1ba8a1600ca12219218ed9d20af5
Status:
Included and unchanged
Block:
#2,857 3,156 blocks after it
Position in block:
Transaction 53 of 86
Award day:
Sep 22, 2016 (10 yrs 1 mo ago)
From:
Value:
₱180,022,146.86
Project:
16-14018
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 #2,857 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 A.L. SALAZAR CONSTRUCTION, INC. on 2016-09-22.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 a6ebc86bb3…d20af5now …
- 2. Block Merkle root changedstored 0d80c7c20d…031668now …
- 3. Block #2857 hash changedstored ab710e2419…4925d6now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 85 records. Each step hashes the current value together with the sibling shown.
- leaf a6ebc86bb3669ecdea03b6f3d2692aae4e7c1ba8a1600ca12219218ed9d20af5
- 01 L 9f09f20c8915206b4b7380ac6bb97e050d718ec04f3f1b77bfff91238a64f08e
- 02 R 2bd09b855aa8d3bc46d1b5d60d57abe790d3b4e2a9907a931c018593d0286301
- 03 L 479951db50369957def8dd57a6b06797d04e4792c9c52addd0b4114ff0ff6179
- 04 R b1914f1cbced7b0f7117542a9c4840e53b3ffd143c5794ab437f6972029c6dfd
- 05 L 94c69669de390bcc745abb7c03bf48dc4139e03ae7e971faaba77199c641b242
- 06 L 09751a43e7b6f7a2b09d9cb4f31237069fb28ce6fc0a2a133d7d411b49dd7ff4
- 07 R a75b15a904126507f4a636ce32c8420caaa004de33f74c04e1e7ae2eacdcbb3b
- root 0d80c7c20db66997eb371bf322d2dfd2516ea41001bfc74b3f495ec2ee031668