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 ₱7.0M contract to YO-EL ENGINEERING DESIGN, CONSTRUCTION AND SUPPLYProvinces
Transaction hash:
4b6acefbeabcf378b7d0fdd25740efae8c0732f1f8a76b86d234e1dd275f42d8
Status:
Included and unchanged
Block:
#5,786 227 blocks after it
Position in block:
Transaction 333 of 1,023
Award day:
Feb 28, 2025 (1 yr 8 mo ago)
Value:
₱6,954,815.62
Project:
Construction Project
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 #5,786 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 YO-EL ENGINEERING DESIGN, CONSTRUCTION AND SUPPLY on 2025-02-28.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 4b6acefbea…5f42d8now …
- 2. Block Merkle root changedstored 01b33dcc04…e75c38now …
- 3. Block #5786 hash changedstored 7ea2a97090…f2e225now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,022 records. Each step hashes the current value together with the sibling shown.
- leaf 4b6acefbeabcf378b7d0fdd25740efae8c0732f1f8a76b86d234e1dd275f42d8
- 01 L 4b331c56f81b3db4c6f082eba0bb5804dd982c2f667ac9dfedd93b28c1db9e05
- 02 R 3fe9e8ce6d81624804ea5feba920e4971fef854335acebc75318e929c68f1aca
- 03 L 9a20582fbbc8eb21ba3ff8192a94d43daa68aa534b66ca46af5f72925717c1c3
- 04 L 713fcf7cdf67e4d69558466d1203b7b307e67e36862f12e9f28ab14fbdce651c
- 05 R df4a23636291399421e6b8b36d68d8680f543086d432f45aabba9f2ffa9bd205
- 06 R eb672ff37ac7d6c7ca8d96ddf015fc6446374a51ff06f1f4bf07542c28a93d49
- 07 L 98fbabbc0da5193cd77e20d772fd9bf8326aa214bf19e63ede082eaf14542d0f
- 08 R 09e3e45416ffeb1cd978862d39661305da1d04aa88329b15b21184f1b4056b7b
- 09 L 935f94a6dc1d527de7f10b7c385ba9e1c2f3effa029e65b1f8f143f6ea942a89
- 10 R a21bbbf8ca523a463a8b5a4824567a23d29137b71f0fc6fac949f32d086923c7
- root 01b33dcc04c24d67d772a36cb99c4c229b1e063c2d039dd1fcfe0831f4e75c38