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 ZAMBOANGA, ZAMBOANGA DEL SUR Award a ₱20.0M contract to PRIMETECH CONSTRUCTION AND TRADINGCities
Transaction hash:
e2709c052d4b270f1b62e52601660a5d9c99d509b709de91545504806ffbbb44
Status:
Included and unchanged
Block:
#5,898 115 blocks after it
Position in block:
Transaction 531 of 592
Award day:
Jul 3, 2025 (1 yr 4 mo ago)
Value:
₱19,998,787.29
Project:
Construction/Rehabilitation/Improvement of Slope Protection at Tulungatung
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 #5,898 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 ZAMBOANGA, ZAMBOANGA DEL SUR awarded it to PRIMETECH CONSTRUCTION AND TRADING on 2025-07-03.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 City of Zamboanga 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 e2709c052d…fbbb44now …
- 2. Block Merkle root changedstored 9b945f3ba9…762b4dnow …
- 3. Block #5898 hash changedstored 2acaed3e44…9dc3c8now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 591 records. Each step hashes the current value together with the sibling shown.
- leaf e2709c052d4b270f1b62e52601660a5d9c99d509b709de91545504806ffbbb44
- 01 L e242b2464e84b2c7475840a833f32cdf8802008750004fde8637c378ebb757d9
- 02 L 4796e54e02d2648bf034a096811b8f5a559b05239fea6f3d07dabb116c10a793
- 03 R 46c6f094e894edfe9da9c016901228e7aa52c90b04237b023406ad44534c9aed
- 04 R 77259c703ec3241c822f5a8fc52a00a47addba68e7b7a4d9dece09718decad6e
- 05 L a1c83a9314e27070d9409daef5f45576837382d2b2b75c17a6bd9f1f1d121fca
- 06 R 85c018611e5d1492cc69dde23ea48085a966cf77657672b14193e4f8ec556bd6
- 07 R fc55bd14230748622aa02f7767c8404fab52c71f3620a1546bf26f94a781a619
- 08 R 8464834397d92907e29fd228b3051b7ef59f2613cd48ed039794fbe9ed67bc9b
- 09 R 1bb5c41e108780d3aff563e19c56a4531ac3a508d3073216894c50e3dc5cb94e
- 10 L f2fbc147ef39f387ed95669ea033a95d23375399afe9149145bff9c748e65c70
- root 9b945f3ba909fb0f6b7b7e2b264c302f7dcc4a5d8c2df000bbad00b22e762b4d