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 - SURIGAO DEL NORTE Award a ₱49.6M contract to CTB CONSTRUCTION AND DEVELOPMENT CORPORATIONNational agencies
Transaction hash:
ec79381c2a0534c424c05a350cdbc5901a85f2b4317689fcac34d900e7c106d9
Status:
Included and unchanged
Block:
#5,906 107 blocks after it
Position in block:
Transaction 252 of 274
Award day:
Jul 14, 2025 (1 yr 4 mo ago)
Value:
₱49,649,760.74
Project:
24NG0116
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 #5,906 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 - SURIGAO DEL NORTE awarded it to CTB CONSTRUCTION AND DEVELOPMENT CORPORATION on 2025-07-14.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 ec79381c2a…c106d9now …
- 2. Block Merkle root changedstored a4cf0f9a2d…bbbbbdnow …
- 3. Block #5906 hash changedstored 66e6cd313a…b7f9a1now …
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 273 records. Each step hashes the current value together with the sibling shown.
- leaf ec79381c2a0534c424c05a350cdbc5901a85f2b4317689fcac34d900e7c106d9
- 01 R ed443a4453161e6a94c5ba75412124258d8779a4d43ab2229abbf35287de4070
- 02 R 51c18aaad86451bb2f255dfaffcf3688e961802e76d4111c8c1bb1e36a69d10d
- 03 L ada26d91eeb439d7340277b4987e3498bc72a4434062d8f9988ce161e659185b
- 04 L 78ffce04c6748f1f1974c342a605cde56be8166f89cce51e86c8678e11db0bab
- 05 L 66f0912a55eaee0913c929829982975e148eeff30766253d50702d6b2b5b7650
- 06 L b67056378a4c43c460ed5d34631162aa3f6902d4fe9abf6c2c57a0af77d9bc75
- 07 L 7fc3251398e8b20610ecce8427967986218cc1500e137a7eeac5f7fe2d930a39
- 08 L 3441ccfc3faf586ace12415e636b5ccf6e693823e53d98ab31d5706e6b2f74cc
- 09 R 3e5da7d5720df24ceb7aabcf07224e20af6a9a79c1612501d51b1e7b6b66854f
- root a4cf0f9a2d09930b049c3a7a5cad738ffa25563941c4a353277fda7c9abbbbbd