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 ₱4.3M contract to ASTRAN MARKETING & GENERAL CONTRACTOR, INCORPORATEDCities
Transaction hash:
d950daa786d4e1f128d7eeadaaf5a3c22c13db4b832879ac6b7d07895fd71cee
Status:
Included and unchanged
Block:
#2,183 3,830 blocks after it
Position in block:
Transaction 149 of 174
Award day:
Sep 15, 2014 (12 yrs 1 mo ago)
From:
Value:
₱4,297,087.12
Project:
14-10026
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 #2,183 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 ASTRAN MARKETING & GENERAL CONTRACTOR, INCORPORATED on 2014-09-15.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 d950daa786…d71ceenow …
- 2. Block Merkle root changedstored a4717d7a7f…cac303now …
- 3. Block #2183 hash changedstored e988ebdb3b…68bb4fnow …
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 173 records. Each step hashes the current value together with the sibling shown.
- leaf d950daa786d4e1f128d7eeadaaf5a3c22c13db4b832879ac6b7d07895fd71cee
- 01 L d70465e5ec6f6444fb24f446cda0ef36b289cda1609ae4cc8c632f036cf9d469
- 02 R fb0bfde4b5f4ef8c469198a2d4e096325d1d1def546d9237d2b14b88cf5b0c56
- 03 L 43b1ab636a8c7717a0c733f50953fbc2df36da79d540466c6e101d1159027164
- 04 R 3dd34d33cc4a0c39abda5cfb4f790f276aa4ced30975faa9b5622e000da814de
- 05 L 6f2f71ef19626b547a9897038371ab49d74bf64b77fe779d9ff56c1920c2b32a
- 06 R 60acaae340a8045917698dbe45f4c413afe6797afac81a7ebda85c7eaec036cf
- 07 R bdc6a52ba8e6da9d1a2c160559a23c5d9d11075ff50b89212a38049eecb3891d
- 08 L 97c9ff94fae8b64006d2067601e5558228ca61b264e2a91fbf17babb79e61225
- root a4717d7a7f808a68b0c4a13689c7e786b0c2b42f772309ca946557c8facac303