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 PUERTO PRINCESA, PALAWAN Award a ₱1.2M contract to JAS TRADING AND CONSTRUCTIONCities
Transaction hash:
8b6b40045afa100b10d062efa187c3392da0feb8e681c70f103ee4c7b0c97a61
Status:
Included and unchanged
Block:
#2,964 3,049 blocks after it
Position in block:
Transaction 74 of 138
Award day:
Jan 17, 2017 (9 yrs 9 mo ago)
Value:
₱1,194,758.20
Project:
Completion of Perimeter Fence of Youth Center
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 #2,964 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 PUERTO PRINCESA, PALAWAN awarded it to JAS TRADING AND CONSTRUCTION on 2017-01-17.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 Puerto Princesa 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 8b6b40045a…c97a61now …
- 2. Block Merkle root changedstored 1a0cde3e06…5481b5now …
- 3. Block #2964 hash changedstored 3fe3a92f5b…1f7347now …
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 137 records. Each step hashes the current value together with the sibling shown.
- leaf 8b6b40045afa100b10d062efa187c3392da0feb8e681c70f103ee4c7b0c97a61
- 01 R 8bfbd421da47a7f163eeff38d845e4e7aca848e3042946ac56fbe215ade86e5d
- 02 L 8373d9e71c9255395b7a941d209d24b43a6f4bacad864bf90035005025fe270e
- 03 R 5207ff3f12299ec64cd958b674effb0e9f78e0dece423762ef88b91f4682efe0
- 04 L ddc4faab5af6db9654ef2b335706615edb2fe538d3c0c7a36f72292a88e2f349
- 05 R d3056fe869535038c374bb6b45feee657aca0bb93ca51779401074fdf4a7ddfa
- 06 R 1c23b5581672c66c079f74d1e4c206763bd73811fa8b02cb4b620318888d02e0
- 07 L 594c61cb9625954134bb6e33952b70f2c6c9b437f0b806fc8a09b651ab09fe3f
- 08 R b446ae00fc116ec8018597ab924fead66a573a29170f9566761c4cf5d3bec386
- root 1a0cde3e0642883e9f40f9f681a6f3d19b0bd4f19c5189c8cafd6862035481b5