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 IV-A Award a ₱170.2M contract to WAYCON BUILDERS & CONSTRUCTION SUPPLY CORPORATIONNational agencies
Transaction hash:
deb5b2cc9a29c54a535ff2137e58c8628d42c9881cd8af0bf18e598b09c71e6f
Status:
Included and unchanged
Block:
#5,135 878 blocks after it
Position in block:
Transaction 360 of 419
Award day:
Apr 26, 2023 (3 yrs 6 mo ago)
Value:
₱170,221,273.38
Project:
23D00126
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 #5,135 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 IV-A awarded it to WAYCON BUILDERS & CONSTRUCTION SUPPLY CORPORATION on 2023-04-26.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 deb5b2cc9a…c71e6fnow …
- 2. Block Merkle root changedstored 4fe6f47e03…490c36now …
- 3. Block #5135 hash changedstored ad988457af…924359now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 418 records. Each step hashes the current value together with the sibling shown.
- leaf deb5b2cc9a29c54a535ff2137e58c8628d42c9881cd8af0bf18e598b09c71e6f
- 01 R dfbe8e4be5c501b3a8451664c9004f58d5660e76089560d2f070e5d85b8d9be0
- 02 R 6856a6df818960850d734f5036cf44fa05bda72f4e1dda096f9418ff5321e5d2
- 03 R 005e9ad73cddd5bc237742421238cf32d71f06e990f1c620790fa1e3e6ab8701
- 04 L 5d7f53c661337818eb1464247dae8512e42a97073c5ed3d1783240c11f78a8f3
- 05 R 30cba0687f5af60e1d5016b6ca707f08337ab3fdf56acaeee8ddb58789515bc2
- 06 L 0e3a4526da31ca68be11cebd823abcb115a4f28fa8cf84db6635a7205b1964a8
- 07 L 6cf3da03154cc78d304b8b00cc3249496f56c6cd9c8482dee8446ec7d37bd7ba
- 08 R b23602f4702c61a18820d88ffa03d3c3f43a35b61bca45d69fa8b428bf1ec655
- 09 L f3a8d714ee236c242c8ceb3ce8ff58c4cdf41805df4cc0c3fccf3e24e4168c43
- root 4fe6f47e0349503cdd66797098bfdb1e38a912735a412b3e5d75bc5b83490c36