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 NORTHERN SAMAR Award a ₱656.0K contract to AREX BUILDERS & CONSTRUCTION SUPPLYProvinces
Transaction hash:
2cd01bf188101f50550bf75e549b0978e6a2cf8590ac3bc1405f2fd97f431484
Status:
Included and unchanged
Block:
#1,467 4,546 blocks after it
Position in block:
Transaction 8 of 46
Award day:
May 29, 2012 (14 yrs 5 mo ago)
Value:
₱655,999.95
Project:
Invitation to Bid for the Road Concreting, E.B. Moore Street, Brgy. E.B. Moore Street, Dalakit, Catarman Northern Samar
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 #1,467 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 NORTHERN SAMAR awarded it to AREX BUILDERS & CONSTRUCTION SUPPLY on 2012-05-29.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 Northern Samar 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 2cd01bf188…431484now …
- 2. Block Merkle root changedstored 908eafc28c…a8f0b6now …
- 3. Block #1467 hash changedstored 968f5851ee…a5e072now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 45 records. Each step hashes the current value together with the sibling shown.
- leaf 2cd01bf188101f50550bf75e549b0978e6a2cf8590ac3bc1405f2fd97f431484
- 01 R 2d2426a04651a27f13ce9f8233232157efc1a67dac26f776ef43cc091b10e380
- 02 R 548795731836380a755bd42613e4f45cf11b53961d18a97d8ab3c816c58359ab
- 03 R cb02ef8bcff6b8c4a78408879364292e8d0dfe23ae7948d0e5ec48f02488c60b
- 04 L 2b6d515bc46a434f8f53f8e72cdea1048724caa7fe55c443934ec2e4a25419dd
- 05 R 290af0a39d4c526f5d0c8a4889d911332bb455119068e15cee499696f6027ef7
- 06 R 1f38989e755ff580932c37ecf434c51b06159494912ab0bf427f58728f4a3f31
- root 908eafc28c2b5d74ea6b6b7ca584abd9c22a99234ed26d54f06f32b50ba8f0b6