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 - REGION V Award a ₱41.9M contract to WCS CONSTRUCTION, INC.National agencies
Transaction hash:
79dfbb00d7ca08363abbc5b253dcf9206b5e43170d294c2f42cd0c3d38cfc8d3
Status:
Included and unchanged
Block:
#1,305 4,708 blocks after it
Position in block:
Transaction 28 of 53
Award day:
Nov 25, 2011 (14 yrs 11 mo ago)
Value:
₱41,949,989.68
Project:
INVITATION TO BID - 11F00030
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 #1,305 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 - REGION V awarded it to WCS CONSTRUCTION, INC. on 2011-11-25.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 79dfbb00d7…cfc8d3now …
- 2. Block Merkle root changedstored 378264d070…411376now …
- 3. Block #1305 hash changedstored ba2d0b7dfc…4ca6f8now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 52 records. Each step hashes the current value together with the sibling shown.
- leaf 79dfbb00d7ca08363abbc5b253dcf9206b5e43170d294c2f42cd0c3d38cfc8d3
- 01 R 7abd3fab1bc3053bd33003599e9326ab626008c7bb230c9a29231e6410120d52
- 02 R 8d2c8657a6d9913482b84527c6ebc7418845001b7b551e56be4e114e75555203
- 03 L ed2c0f77c60a728ee1907d23447a2362712cfdf64ed87f0d213f48d16c47ed66
- 04 L 95371d36cd17dc23058282606d6914e03d243f3dd657eeb37b7f0b08ee90a649
- 05 L 71f55577986b4f5aeb8f512885b87fd2aac035a5e4e4cf43d4940a1ce6367892
- 06 R 843bfbd0c007aa09e7a59de2341951fcefd12d2a4f5465e4c737fcffef88252a
- root 378264d070675deda5ab7e45a90819cb51f4f6c709b3a100a882315405411376