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
PROVINCE OF QUEZON Award a ₱20.0M contract to ROMHEAD S.J. BUILDERS & DEVT INC.Provinces
Transaction hash:
ce77fb9588a45e103cd9ebb2f0c3c23a47f0823fc404ec7dc29075ce4c60ebd1
Status:
Included and unchanged
Block:
#4,633 1,380 blocks after it
Position in block:
Transaction 174 of 209
Award day:
Nov 18, 2021 (4 yrs 11 mo ago)
From:
Value:
₱19,989,402.93
Project:
Construction of Materials and Civil Works
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 #4,633 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)PROVINCE OF QUEZON awarded it to ROMHEAD S.J. BUILDERS & DEVT INC. on 2021-11-18.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 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 ce77fb9588…60ebd1now …
- 2. Block Merkle root changedstored 3e786ebdbd…5f7159now …
- 3. Block #4633 hash changedstored e7f12aa655…039dfenow …
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 208 records. Each step hashes the current value together with the sibling shown.
- leaf ce77fb9588a45e103cd9ebb2f0c3c23a47f0823fc404ec7dc29075ce4c60ebd1
- 01 R cf05644dcc3151f368822f8201ce148771c6482d6b64964cefabb2b8636be75c
- 02 L 6d914682b6e21f978662ef1111c4fa294c69123006ae7456ce371d360ca623b6
- 03 L 451f4c5e12bfdc4483d551695cda4db6366d1366a838a3b8a0a6276bb12e5c60
- 04 L 921325f014899d9f793da0d737635dd7ff2f7e586a25eea4e9f514bd807fafd1
- 05 R 5d6eb601c541de773debf59c6729c6c064cc2dacb64dfb381da61a5254c3a0a4
- 06 L 6c5c9639f4812aa0cabaf0a7c0adc1312caba3ff7ac19a3c1e68ffbcf784c416
- 07 R d4018a5875d4cc7f65f78223647bf306317524c326ef3ce01a2ee9bb4e04ceca
- 08 L eb21203af418d2780d93ce963feb071c6e0801e646c4558227769182410e190e
- root 3e786ebdbd841134dd70fc94eb0a982071143557611ba0cf5f18a4cefa5f7159