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 - SORSOGON 2ND DEO Award a ₱144.0M contract to CENTERWAYS CONSTRUCTION AND DEVELOPMENT INC.National agencies
Transaction hash:
511bc44ef83a314fc0b04fcb40da461958c01e2e7b52a30b9b3c8209431fb03b
Status:
Included and unchanged
Block:
#5,890 123 blocks after it
Position in block:
Transaction 160 of 477
Award day:
Jun 25, 2025 (1 yr 4 mo ago)
Value:
₱143,957,185.67
Project:
25FL0058-Construction of Flood Mitigation Structur
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 #5,890 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 - SORSOGON 2ND DEO awarded it to CENTERWAYS CONSTRUCTION AND DEVELOPMENT INC. on 2025-06-25.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 511bc44ef8…1fb03bnow …
- 2. Block Merkle root changedstored 5e5ca56b15…b14803now …
- 3. Block #5890 hash changedstored 1259318e58…acb040now …
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 476 records. Each step hashes the current value together with the sibling shown.
- leaf 511bc44ef83a314fc0b04fcb40da461958c01e2e7b52a30b9b3c8209431fb03b
- 01 R 5120bfa5b080602f6ab18a0ea65a9f2ccd37fc0d1d7e918af4b5fdee1c08dc2f
- 02 R b4fb38e771e6fcbec5d9fb30633274853dd217bccacb5f704e5e4e50a12d35b2
- 03 R 16e40d9557c8bd643d5e518baedc7741dc75f5425a8ba67533b55a1247f5195e
- 04 R 9ac14cc0160266a82ee90f4541234f5c955a217c63bf3986691a8cc79b0a07a4
- 05 R c632925404596745a78f2aa8ef9e4193b39e1009daff2d2ce576dbc3cf286e37
- 06 L 110c9937bea9efb400a55b01331c2471f0fd9db1d6255a39e94c88875a056266
- 07 R 6ad90a2566d483e3da531dd8352fb4faa6131f80ce4471e3a867925623087da8
- 08 L b27bf57ae2724e605c1c053e7b047bc6e3df93dcbda8a4f73cd0cee8d8478fa7
- 09 R cb2f4011dc510792ab2b1e935adc9393dc028a205c17d759d7daa8616a310214
- root 5e5ca56b15750d0c4d9293df1b914d4546365a50e5a6496dff1b892d67b14803