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 ₱142.5M contract to CENTERWAYS CONSTRUCTION AND DEVELOPMENT INC.National agencies
Transaction hash:
65f1cea76ea96ff3e1ce4dfd3acd745cc0b529eeebd87d2c8958185195bfacd1
Status:
Included and unchanged
Block:
#5,991 22 blocks after it
Position in block:
Transaction 332 of 871
Award day:
Nov 3, 2025 (1 yr ago)
Value:
₱142,499,822.35
Project:
25F00026
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 #5,991 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 CENTERWAYS CONSTRUCTION AND DEVELOPMENT INC. on 2025-11-03.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 65f1cea76e…bfacd1now …
- 2. Block Merkle root changedstored cd21cc7978…94630dnow …
- 3. Block #5991 hash changedstored 32cba2a877…8cb92anow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 870 records. Each step hashes the current value together with the sibling shown.
- leaf 65f1cea76ea96ff3e1ce4dfd3acd745cc0b529eeebd87d2c8958185195bfacd1
- 01 R 66253344bb3bf3e8cee3b05de4003d185402f7b8391359bcd71809d23af6068a
- 02 R b915b3fef4f1b97b12651463598340cff40cf08542419539fe8dfe846a6e218c
- 03 L eec50b9b4fd6eab37b4f2d88b729dcedc38b3d6e8a0eaa1a196649adb5275211
- 04 L 9f8384e95b98fe1c37277da30ad3c6a9feb52dc2dfb4fcf7936c243fb8ce18be
- 05 R d68aa8ff8d6d1abd9cf94dfe9dcc607f9773ef2cc4083f1107a2afb7b2407361
- 06 R 50bb8a840ec223f876e98eeb26b99c9736a4c24f1d849373113441f72c67dd5c
- 07 L 8d52d304c7d5a5882626ba74b1b5080ba3d82120243a0530a867f3dc9164bcea
- 08 R e5d40070d1db3402c0b6b1599dc734169c2b06a870a19f920bdc37ed6712b2cb
- 09 L a80060e9db903bb6d66ee3dd878637977d8eb9f1b6227eb0ac2a10eb886b8b86
- 10 R 4a64232d342e6281faefabf613db1e7642b0e13c6df514379a4c54afa28b9b1d
- root cd21cc7978142c2e1ec5da05bfc0e8034f3d0b859195fabf4c4ac2147694630d