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
NATIONAL IRRIGATION ADMINISTRATION - REGION IX Award a ₱12.9M contract to WALTER NG LAO CONSTRUCTIONNational agencies
Transaction hash:
1bf9707f8d9aeaa7eb189cb239e9b4254f5e6b1999ef796f22f755dfaf37cdf7
Status:
Included and unchanged
Block:
#1,553 4,460 blocks after it
Position in block:
Transaction 10 of 82
Award day:
Sep 7, 2012 (14 yrs 2 mo ago)
Value:
₱12,879,505.53
Project:
DRAINAGE EXCAVATION OF SVIS
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 #1,553 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)NATIONAL IRRIGATION ADMINISTRATION - REGION IX awarded it to WALTER NG LAO CONSTRUCTION on 2012-09-07.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 1bf9707f8d…37cdf7now …
- 2. Block Merkle root changedstored 311d4fc478…204640now …
- 3. Block #1553 hash changedstored dbf3930fba…1d3141now …
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 81 records. Each step hashes the current value together with the sibling shown.
- leaf 1bf9707f8d9aeaa7eb189cb239e9b4254f5e6b1999ef796f22f755dfaf37cdf7
- 01 R 1c802bc74381a1c782c2f82df38a0256e58f5f7712dbb4fe26bacfae88f87002
- 02 L e519d599d4924c6983b8ecee54db718a3cad3b34e8e532e58f9daaf2717c473d
- 03 R 72673af1bd5e223320ea24393b167e2ddb1607135af8945b98f534af0efad8e7
- 04 L 9c0fbb8ca95335e0f6aff9d5d61f99476c1136f2641ace1cdd0e963238d3c5fb
- 05 R 9e7957e5231d31d77682b9716d76a29c27cbb3be9c67c5667c56ca8fea151589
- 06 R e08120c95db4ed182801d7584d90d79adee861e7500803d84d65e7822fcdf083
- 07 R 59f81489f3b4d895ecb1991ff55d9ce089094c09669d99c79ec4dfde5b736cee
- root 311d4fc47864a2255383ff26e06949bfa3dd2d0538be39674a44e8287e204640