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 VI Award a ₱47.8M contract to SILVERRIA CONSTRUCTION AND CONSTRUCTION SUPPLY COMPANY, OPCNational agencies
Transaction hash:
b1a969e232bb6aed3e2e498d26a1692b300f2796c646ba47c1a59f7f2e7bfc45
Status:
Included and unchanged
Block:
#5,803 210 blocks after it
Position in block:
Transaction 830 of 1,192
Award day:
Mar 17, 2025 (1 yr 7 mo ago)
Value:
₱47,767,499.95
Project:
25G00076
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 #5,803 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 VI awarded it to SILVERRIA CONSTRUCTION AND CONSTRUCTION SUPPLY COMPANY, OPC on 2025-03-17.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 b1a969e232…7bfc45now …
- 2. Block Merkle root changedstored 6a39401751…a142eanow …
- 3. Block #5803 hash changedstored 6027d75a90…bc55b6now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,191 records. Each step hashes the current value together with the sibling shown.
- leaf b1a969e232bb6aed3e2e498d26a1692b300f2796c646ba47c1a59f7f2e7bfc45
- 01 R b2229096b754a8ca6e11c2437a8539c1d2039822654b6d4dad1c44bc5e3be040
- 02 L 748046667aa05576e35c0668d173d1f0ea02c45902466810f3a7c61fae5736da
- 03 L c8615230c57c205c4b3df741b9f78b3afcf161ba532f0fb698ed075781ec9039
- 04 L 2c62d25dcf4830a4411888acef444d52ff53564e193ab1dce86abc351e942f9c
- 05 L 33d94d15e5a9ad0e388bf4f59e308aa10c40346cd3efcd7f26bfe9237cfbeb39
- 06 L eeb6a92c171a79adef91117985f0013bfe88779a16853a92b19751ef526321c1
- 07 R a36e36cf4cd6c609001eb92726472a2a017f991ed4cf99cc4c94a5c98086d2c5
- 08 R e864f313b115c1ec4ce46157282d2c92572f63d63f25ecdae3cbae7e8aefe1d2
- 09 L 7545e8c9170a5defd97e16413ce8019f4d81157a677522c38ed413f150dcffb9
- 10 L cbf326bf7300abc807f41240b7000a7450883f4b653ccdb8bfbcf2b6b39a6172
- 11 R 0b9a6ca398fa4da1367f7c8b74a63e912704ca0907c13a3c84094698c910fdc3
- root 6a3940175127c5755b149420ddbab699490f5f9bf155cc7c2fcbc1ac10a142ea