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 OLONGAPO, ZAMBALES Award a ₱2.1M contract to FAER CIVIL ENGINEERING SERVICESCities
Transaction hash:
fdfd3f38e91b4f0b4db30c74b503b547b7807b8426413deba4b37e77c35f5e9a
Status:
Included and unchanged
Block:
#5,339 674 blocks after it
Position in block:
Transaction 261 of 263
Award day:
Nov 23, 2023 (2 yrs 11 mo ago)
Value:
₱2,126,000.00
Project:
Energy-Based Electrification in Barangay Mabayuan
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 #5,339 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 OLONGAPO, ZAMBALES awarded it to FAER CIVIL ENGINEERING SERVICES on 2023-11-23.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 Olongapo 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 fdfd3f38e9…5f5e9anow …
- 2. Block Merkle root changedstored 979cc849a0…b01fednow …
- 3. Block #5339 hash changedstored 88a612f1c1…361b69now …
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 262 records. Each step hashes the current value together with the sibling shown.
- leaf fdfd3f38e91b4f0b4db30c74b503b547b7807b8426413deba4b37e77c35f5e9a
- 01 L fd24b2a62b3e28a75318b66519f6d2d544bb26e800de14aaf6cbe6112f4c7c6d
- 02 R a3e456171be74eb0ee9248d93e17807dcc8c76b244f10b1fa988e43900ca499f
- 03 L dca9dd465ffcda0c277f0730a29fc21c326af8b46d21839d609dd942ab01d2a3
- 04 R 52ec1e7180bbc68e6d7a6e3d32c6df70ac5510947ac54249786638c2713325a8
- 05 R c622329631807dd065b287050abfb0e58932b500e2db39603a3ebd2e887623a6
- 06 R d7f190e5d9213d29c13c943a41898fae3605aaca34abee7e6d4bc2611cbb89e7
- 07 R b71b847ae04418202596d12d90183555fb25ad00d9f5b15e67956f6d51149751
- 08 R dade68dde090b168ba3596db2c0d7f9dc0b837d34c46feff37db836e5e23fabd
- 09 L 0545997234e80a042c0f6e9c9bdf459991f2b4f6ff5ff43b33bc96fa8a03427f
- root 979cc849a066a641942605d3ed9d952846b81cef2796d711588b615892b01fed