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 - N. SAMAR 1ST DEO Award a ₱4.8M contract to J. CUSTORIO CONSTRUCTIONNational agencies
Transaction hash:
2c3871c4ec9ce0945edb9198a26ca7d341d9bb418e54a7346e27b008942c7ebf
Status:
Included and unchanged
Block:
#441 5,572 blocks after it
Position in block:
Transaction 0 of 10
Award day:
Oct 6, 2008 (18 yrs 1 mo ago)
Value:
₱4,797,611.00
Project:
Concrete paving of road
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 #441 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 - N. SAMAR 1ST DEO awarded it to J. CUSTORIO CONSTRUCTION on 2008-10-06.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 2c3871c4ec…2c7ebfnow …
- 2. Block Merkle root changedstored 2d640545d4…35e17cnow …
- 3. Block #441 hash changedstored 4273951b6b…1cd6f4now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (4 steps)
How this one record is tied to the block's Merkle root, without needing the other 9 records. Each step hashes the current value together with the sibling shown.
- leaf 2c3871c4ec9ce0945edb9198a26ca7d341d9bb418e54a7346e27b008942c7ebf
- 01 R 64d849aff4c9095d805c5972b742d76303d5aac5023d6f4e88fdeb2f77838ffb
- 02 R 94ff88bf254dffc776a0435be1afd697ce46706d52dec9beb13198f22455af25
- 03 R 646be76f79c856f20d31bfab05ea97e0e5d7c62001cdd0e2d528ce01cd9d917b
- 04 R 6c1c6e815f4f03a40e1a89b4869af2ebb350df683ad48139f98654884c722463
- root 2d640545d4cc6942d9138f86a2c2cd56e463c157640d82b7814f89b6c035e17c