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 ₱6.0M contract to VALCE BUILDERS CORPORATIONCities
Transaction hash:
b80f72094d0626f2350e00a9c382bb694c327e07fc857a34569bc0088e63340f
Status:
Included and unchanged
Block:
#3,731 2,282 blocks after it
Position in block:
Transaction 42 of 56
Award day:
Apr 8, 2019 (7 yrs 7 mo ago)
From:
Value:
₱5,992,087.50
Project:
19-4040
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 #3,731 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 VALCE BUILDERS CORPORATION on 2019-04-08.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 b80f72094d…63340fnow …
- 2. Block Merkle root changedstored d74ef33e4f…7131b8now …
- 3. Block #3731 hash changedstored 3078b31437…1667f9now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 55 records. Each step hashes the current value together with the sibling shown.
- leaf b80f72094d0626f2350e00a9c382bb694c327e07fc857a34569bc0088e63340f
- 01 R bb1962e50a2cc86b554003517de5d8f97a9519bb472906aff75fba5cf4aef473
- 02 L 163098b505af72a4c61e2fa134b7303821ab61eaf71977d9c53275863411c920
- 03 R 3bba37db9ec71ecce7b6821f7adadbd1f8676966ebd55fb066f874519722c547
- 04 L e842b65c8bcd5586ce0d45b4a221416d219b8e748f76c43bfb18230a404883f9
- 05 R 0d76af578e7e94f5f0fd3436f6585e535e1c3f9c7b9b4cab281fa0227abb3e41
- 06 L 5ade652873a2ab2f6183b25a42054bf6aa080ebbe6e7c1df4458cf0bb3898249
- root d74ef33e4fc6e50f978e5b164e779e389ae37504bbcf348964b3a6748b7131b8