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
DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - ILOCOS NORTE 1ST DEO Award a ₱4.7M contract to SAN BLAS CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
ac7fc4fc25979d3cd4e5842a616d68046cc78d23a0c0ce20ead5d0af4b41b9ad
Status:
Included and unchanged
Block:
#817 5,196 blocks after it
Position in block:
Transaction 90 of 123
Award day:
Mar 8, 2010 (16 yrs 8 mo ago)
Value:
₱4,724,608.95
Project:
PAdssan River Control, Brgy. Bengcag, laoag City
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 #817 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)DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - ILOCOS NORTE 1ST DEO awarded it to SAN BLAS CONSTRUCTION AND SUPPLY on 2010-03-08.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 ac7fc4fc25…41b9adnow …
- 2. Block Merkle root changedstored a21c32427a…acc1c6now …
- 3. Block #817 hash changedstored cd4204a0a0…aaa164now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 122 records. Each step hashes the current value together with the sibling shown.
- leaf ac7fc4fc25979d3cd4e5842a616d68046cc78d23a0c0ce20ead5d0af4b41b9ad
- 01 R ad6f4207cc63c1e3d1db5c081aeaaa7f829a3e39fcc60c85523fa8f04e36c77a
- 02 L f0e577b2298e761fd8100f951049e098a6888aca71a4fe1783336a5e4856e5d9
- 03 R 324a9854a607cdc031f9f86f7de5b8737940aa6dd7d27193dddde20f5fda122e
- 04 L 41ba6d122ff432c18054c1ec24c02d7f5028fd125600ba06a3078b0e5da2b8b9
- 05 L b41a939f6456b90e6bc15e6477f495ecd587d1155eeab9a8dec83926d50adf93
- 06 R e0a31f6d10a370d28c436786327a5e727602d17b2a35504b23e7823ef7a190aa
- 07 L 7d75bd7a79664a658c0716dbf4a577fc355b94a61800b01eed055f5435701e4b
- root a21c32427a8f0c241971b557ca906b0b7c7672160c394e9471a868ad56acc1c6