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
MUNICIPALITY OF CALINTAAN, OCCIDENTAL MINDORO Award a ₱3.0M contract to BLACER CONSTRUCTION CORP.Municipalities
Transaction hash:
0866bf992b653dca4f441fc5995451f1b27dc918cd0cc3b90199d394b01277e9
Status:
Included and unchanged
Block:
#540 5,473 blocks after it
Position in block:
Transaction 0 of 24
Award day:
Feb 20, 2009 (17 yrs 8 mo ago)
Value:
₱2,997,850.00
Project:
Negotiated Procurement for Renovation of Municipal Hall
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 #540 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)MUNICIPALITY OF CALINTAAN, OCCIDENTAL MINDORO awarded it to BLACER CONSTRUCTION CORP. on 2009-02-20.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 Calintaan 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 0866bf992b…1277e9now …
- 2. Block Merkle root changedstored b4231e6d41…48bd4anow …
- 3. Block #540 hash changedstored a4b8034a1c…d9032cnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 23 records. Each step hashes the current value together with the sibling shown.
- leaf 0866bf992b653dca4f441fc5995451f1b27dc918cd0cc3b90199d394b01277e9
- 01 R 0f1ff82f4d4e7ae82dafd2c4f639f417319182cbcb2a3544cbb04f48ef327106
- 02 R e0179df9059448dd1bdb78e27cce1cf40640fb0ca747c363d5dd3b4d9fce7a0c
- 03 R f9eb102d3b3ef5e22922c048e8894c62ae47dc07242478d01f8e284848612c97
- 04 R 16dde0481f36a6036945d333fce2fd7ecee0c6447020287db8085c365f5ff87a
- 05 R 6c8763d170cac60ef3a276a65327a12153487c0754569a441fb20fa70c0f8d51
- root b4231e6d41163df1bf482c74c226d8ccb082628e5d0f05671f92a3f6d548bd4a