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 AND HIGHWAYS - QUEZON 1ST ED Award a ₱1.1M contract to E.A. AYALA CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
b02495ac2d480c962fa34f9f6cc397698c188bf0c9c6f1df49a13424782de3ec
Status:
Included and unchanged
Block:
#2,192 3,821 blocks after it
Position in block:
Transaction 102 of 142
Award day:
Sep 25, 2014 (12 yrs 1 mo ago)
Value:
₱1,059,138.74
Project:
14DK0041
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 #2,192 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 AND HIGHWAYS - QUEZON 1ST ED awarded it to E.A. AYALA CONSTRUCTION AND SUPPLY on 2014-09-25.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 b02495ac2d…2de3ecnow …
- 2. Block Merkle root changedstored 9c7f5130df…93a308now …
- 3. Block #2192 hash changedstored 3ddb7e65c4…346509now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 141 records. Each step hashes the current value together with the sibling shown.
- leaf b02495ac2d480c962fa34f9f6cc397698c188bf0c9c6f1df49a13424782de3ec
- 01 R b290a63d3ef12b2c0f85e2e0e954ee04e90b1d4ca0324c021439f01b893defac
- 02 L 7d6e2c2fa3b803912359459e8f02b4b43ed561b89c048cd4e7ac78a3e9c02114
- 03 L 080e412c3008f56b27ea09c0af56a94186de3b6860ff46fb195a736ab46177a2
- 04 R a9e0df8bfe9f86c769e4e71ce546691196edcdef346a1ea8673f8828c00dbf0c
- 05 R e37fbf55f497c1f8e7fabc8ce17b689261d0b6684013c1cc52a9f3498ae766b1
- 06 L a90a6d3c753f4daddb63819bb79fc2699f42c727fb738124f49f48197a1d0985
- 07 L 151c0396476cdad1f9daf57263959e7999dc747b86629b34b6fa7c7bbea7d5a3
- 08 R 5d75a312a4692ebc4f8b82f0a36fda3bf614137a8721d12f29c6cfb84c373326
- root 9c7f5130df6f4c0bdc162e6fb5e5a8c037dbe4c13a10353990b9e9ea9193a308