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 ₱11.0M contract to ARCEGA CONSTRUCTION SERVICESProvinces
Transaction hash:
939eed2cdba10ff69a9216c3656cac15a6ddbd821e3ae712f291d65785a67f90
Status:
Included and unchanged
Block:
#4,177 1,836 blocks after it
Position in block:
Transaction 134 of 215
Award day:
Jul 29, 2020 (6 yrs 3 mo ago)
From:
Value:
₱10,957,998.85
Project:
Construction Project
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 #4,177 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 2020-07-29.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 939eed2cdb…a67f90now …
- 2. Block Merkle root changedstored a28cc3d1a8…79bcf2now …
- 3. Block #4177 hash changedstored fe9aa17a52…55e8eanow …
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 214 records. Each step hashes the current value together with the sibling shown.
- leaf 939eed2cdba10ff69a9216c3656cac15a6ddbd821e3ae712f291d65785a67f90
- 01 R 9655198893daa0b99b4e4e8478773f7c6c9e4c1e9ebc375af2a4fbcb45a0f920
- 02 L d067dfa20e7aaab17d8e04f9ffb22aaa33ae57cabd488eb619f12ccb11d6d680
- 03 L ffae7bd162ee5ad9e98cb881b163d7f5a17136932d0acab6a9f8e2b9e15430b1
- 04 R 6ef0fe6c6549241d6488aed53feccae7ad79ea88fb1849089ceeacd5e3bb4cd5
- 05 R 5a3de75aa2074592d4542499d6b1835566017eacd9e831a321af26fe93c84845
- 06 R 029bd75de7bbf8b8cdde8f86bd199b18289ac6b12c2bb9b8b8ab2aaabc5ba1c8
- 07 R 8c5c5b061db807fb781699ef062d6cd994e72c1821b9a90c95b9b95dbb09231d
- 08 L 948159b044121a8b9f506e0be8a852e567d99fd04c844dc36af8a7be9690a943
- root a28cc3d1a892f8588b784a4ff791d1a5818d686a20f40aa6560bb810a879bcf2