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 ₱3.8M contract to CENTIARE CONSTRUCTION AND TRADING CORPORATIONCities
Transaction hash:
f30e9e838ee3ea91166355f2b3657d799b9238c6a08266b889ebc4e369732032
Status:
Included and unchanged
Block:
#2,365 3,648 blocks after it
Position in block:
Transaction 216 of 225
Award day:
Mar 31, 2015 (11 yrs 7 mo ago)
From:
Value:
₱3,773,195.00
Project:
15-1031
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 #2,365 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 CENTIARE CONSTRUCTION AND TRADING CORPORATION on 2015-03-31.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 f30e9e838e…732032now …
- 2. Block Merkle root changedstored 51c8c4d1f9…f11da4now …
- 3. Block #2365 hash changedstored bae64d0ea3…938588now …
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 224 records. Each step hashes the current value together with the sibling shown.
- leaf f30e9e838ee3ea91166355f2b3657d799b9238c6a08266b889ebc4e369732032
- 01 R f3123240fd0d291000b280b438f387459431166006038deb4d99220a790ff7b6
- 02 R fb71033dfea8a693bb825a126317170b4323f47133952baf6b8d0ab24634a6f7
- 03 R e6594d5e57b61b843738039ec9a1d0565537ebb69844508e51142bf2e1f4ca26
- 04 L 42a331828196533d19e23fa0c365bfaaa5b577233b42972599314d18d5f36021
- 05 L e36a55479d540c923ddfb099a22269fbefdf3d9d6c8442169a5e38cedcdd8b1d
- 06 R f0199eb70e50b50a553b9024683b364d83c576516189fb4b94c5aa2536e02484
- 07 L 3a583bc109d5fe42e67961aba72c9c1ce2279752bdf19dd0860d2700e97501a6
- 08 L 7b7ee1a897bb0cc2f01fc6f8fd33da9678ef2d75abf144c9214c7fb01e9ef942
- root 51c8c4d1f985f4c9e4e77f405c0b54d83095606d69a3a0d9ede79da77bf11da4