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 ₱10.0M contract to CZERJ CONSTRUCTION & TRADINGCities
Transaction hash:
e29ff8369afe5ce766b60ffab40e52b4a6719cf4e7e64cf198df23ec96954ac2
Status:
Included and unchanged
Block:
#3,654 2,359 blocks after it
Position in block:
Transaction 141 of 161
Award day:
Jan 18, 2019 (7 yrs 9 mo ago)
From:
Value:
₱9,984,266.22
Project:
18-18007
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 #3,654 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 CZERJ CONSTRUCTION & TRADING on 2019-01-18.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 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 e29ff8369a…954ac2now …
- 2. Block Merkle root changedstored e7822d5f23…e83984now …
- 3. Block #3654 hash changedstored 9408172f21…251f53now …
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 160 records. Each step hashes the current value together with the sibling shown.
- leaf e29ff8369afe5ce766b60ffab40e52b4a6719cf4e7e64cf198df23ec96954ac2
- 01 L df177fc3904435e636e4496e07844854d6f009f1604f2630585808fb3dca047e
- 02 R bc9d8004233247cd8bd6224dacc02aa97e04f9eee460f4846115cf47529925bc
- 03 L b714071ed91b19f7741afe7799e88bf8f6683822ff6e3b2400a2d71dd7f394f7
- 04 L 2ab4ec7d397f314e85749c94eb8b9ccfb4a1a911b6edbb97430d631f2c7930b8
- 05 R 566a066f3aa72caf04fbd7f018f488457a363135b7602d91178f98586e8bc6e8
- 06 R 87dab1c285004cc3bbf624f76ce893f576cba8b002ddc149cfabcc8c5d6533c4
- 07 R def71edf2d73667b3602ad66aeeeb6973e2ac30e8fdfd6624e3145b187a94d40
- 08 L 75d2624d78c45e3bdcd673d3b0e9b683b0763261da5bbacf47bb5b3d72093c1e
- root e7822d5f23f7ed802325728fc16ad3977ee078ba6fae7660e705a7ea52e83984