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 ZAMBALES Award a ₱987.3K contract to ARCEGA CONSTRUCTION SERVICESProvinces
Transaction hash:
4513e8ddfeb7d9df73a228bc5caaf31d96324796eca52f495168f043f7a0ea15
Status:
Included and unchanged
Block:
#5,147 866 blocks after it
Position in block:
Transaction 120 of 487
Award day:
May 8, 2023 (3 yrs 6 mo ago)
From:
Value:
₱987,315.35
Project:
Construction Projects
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 #5,147 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 ZAMBALES awarded it to ARCEGA CONSTRUCTION SERVICES on 2023-05-08.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 Zambales gave a "qualified" 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 4513e8ddfe…a0ea15now …
- 2. Block Merkle root changedstored 72f68c9478…b4dac7now …
- 3. Block #5147 hash changedstored 253b8af2bd…c5d05cnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 486 records. Each step hashes the current value together with the sibling shown.
- leaf 4513e8ddfeb7d9df73a228bc5caaf31d96324796eca52f495168f043f7a0ea15
- 01 R 456a519f774d938bf55c5ad1a7e5987123d9ec8300d22c2bcda7cea0a99bd0a2
- 02 R e47dd37636d7b3868af0465155f78391c0009b8a12cc80233f2f053bf6a9fc0c
- 03 R efc71a5d34f42e2d48c8fe9fc247f2f73bb82e99cc9366637aa4788660b211e3
- 04 L 67d3241390494e173c9a049323f11c15e3673922d5cb774ad2f29f0067a99eef
- 05 L ec4878b8ded861cea1917af73bc666e13382f9bf20fc41bd80b79d81262ff049
- 06 L 31cece1d433cfc3f9aded1ab3833cd7ea69954280801566d8dca786caa23a27c
- 07 L 8a07358c42b93cb57d7d5decf1392f0f3dbbb65f4bfced29d1ada9171b885af9
- 08 R cd474b8ad468b32261f6a3672be4ef324c9d7354cc5efe21735158f9aaf2c905
- 09 R fceafe5f9fff7bebc67999089bcde5b4c7ff5885a0094017372b4071a0925d8d
- root 72f68c94789a3829a5f7a6d87e17edf4d89ae5abd4d06977fddcd08852b4dac7