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 - ILOCOS SUR 1ST DIS Award a ₱776.7K contract to BATCH 81 ENGINEERING & CONSTRUCTIONNational agencies
Transaction hash:
8b06a0eaa4e5a05f465e358324d60bef5c01a305ab019a8cc01c552ed421d993
Status:
Included and unchanged
Block:
#728 5,285 blocks after it
Position in block:
Transaction 11 of 25
Award day:
Nov 6, 2009 (17 yrs ago)
Value:
₱776,718.17
Project:
Construction of Multi-Purpose Building, Brgy. Tamurong, Sta. Catalina, Ilocos Sur
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 #728 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 - ILOCOS SUR 1ST DIS awarded it to BATCH 81 ENGINEERING & CONSTRUCTION on 2009-11-06.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 8b06a0eaa4…21d993now …
- 2. Block Merkle root changedstored 31863db916…93e601now …
- 3. Block #728 hash changedstored 6fb81f73d1…dd07dcnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 24 records. Each step hashes the current value together with the sibling shown.
- leaf 8b06a0eaa4e5a05f465e358324d60bef5c01a305ab019a8cc01c552ed421d993
- 01 L 7c816dc651c81b79ee557550598dbca727d6d4fd1aab6629cf8d72dd9686f45e
- 02 L b2c6e4ea0f3a33d1975e2536efb10b34231609a2693c620c382364a4f3c29751
- 03 R a02cdf49b797189f0145b3e8aed5abe250f94db2dc8bd95caeb76e66a8f011c6
- 04 L 2131c78ec076461a70bc28d407444c8360debc2f09943edbe2365e811b4f7021
- 05 R a7b2cfa1d9dc43bc550c51668edb7a0a0256cb6313fc5819e2af527c21adf4c0
- root 31863db9169ef37227b1203d5e4cad401849b1dadc7eb0ddac47f6906d93e601