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 PARAÑAQUE Award a ₱9.6M contract to CRESTA MANAGEMENT & CONSTRUCTIONCities
Transaction hash:
8401ba09617e97c72dc06bca55e1525ee8a4889098695f0992899f41c1413890
Status:
Included and unchanged
Block:
#5,356 657 blocks after it
Position in block:
Transaction 131 of 286
Award day:
Dec 12, 2023 (2 yrs 11 mo ago)
From:
Value:
₱9,626,893.34
Project:
Construction of Drainage System & Road Concreting
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 #5,356 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 PARAÑAQUE awarded it to CRESTA MANAGEMENT & CONSTRUCTION on 2023-12-12.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 Parañaque gave a "unmodified" 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 8401ba0961…413890now …
- 2. Block Merkle root changedstored a7a532e6c8…401b36now …
- 3. Block #5356 hash changedstored 90cf74a096…7ec9a6now …
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 285 records. Each step hashes the current value together with the sibling shown.
- leaf 8401ba09617e97c72dc06bca55e1525ee8a4889098695f0992899f41c1413890
- 01 L 8350a27dc6af524fc0eedc22003df0f36f0fd7411635f1ce05189d7b8b8c987f
- 02 L 3e5524e7565364691f963a8da9ace196e627453c943ec0974d88da35f42c38df
- 03 R 78529b8d415082033c601500de50474cac0657f11399b3244cba0f1923416883
- 04 R f4afaa720ab98b186087909afc33f103419936e277307a5c6303259f065ac2f5
- 05 R 95c20960aa1867c83d30ca9d922217f0197273f6a0859f40014d5b96511133b1
- 06 R 86a063ca1595d461d82dd4427d8ad8db7cecc9ad004713d4c7a61e99a73d1d83
- 07 R 913d7464371580f5cab664e6c65face6fed403a57d0d94f82621bd17864c4dca
- 08 L 7ce81d265678c29d7263a53e1e18edcbf04b84131abfb8d88fb713567fe662c2
- 09 R 2b8b4a3080c8c353fc0ab5c1093c0fb063f7013c7a6e3559c82295fef1f12686
- root a7a532e6c82fa78fcb0657a7c4ffd87bee62d915ee92dc5c0a1124a5c7401b36