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 SUR 1S Award a ₱13.3M contract to TRIDENT ENGINEERING SERVICESNational agencies
Transaction hash:
cb510bf70d407ee67d2ebc6aceb5a916c59bff5be5181269dab09de6fda8ca13
Status:
Included and unchanged
Block:
#5,957 56 blocks after it
Position in block:
Transaction 214 of 274
Award day:
Sep 6, 2025 (1 yr 2 mo ago)
Value:
₱13,261,519.10
Project:
25NH0092
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 #5,957 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 SUR 1S awarded it to TRIDENT ENGINEERING SERVICES on 2025-09-06.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 cb510bf70d…a8ca13now …
- 2. Block Merkle root changedstored 67529375c5…8a5458now …
- 3. Block #5957 hash changedstored f88d1da274…7402b1now …
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 cb510bf70d407ee67d2ebc6aceb5a916c59bff5be5181269dab09de6fda8ca13
- 01 R cd6ae9a2dfb6c12db6dd35973cfc6944eb7217979925df2f6fa0ea3c797e4dec
- 02 L 675151d7ddbdf7fcfaae6599f483b0d3ec542bc879a8357876a588c0c2aa5229
- 03 L 0648d789abe91a2c0350f55f8326dd198c46a6593cb0df417eb1c20ef3eb0a44
- 04 R 0944f745ce9ea40c8ee1fe93bb40a16f4c56aa7f6a7aef4790553d4df39f74f3
- 05 L 1397de9d25e91f62e98688854fd6a573526cdc6eab2da5bdbcb462da300fa18a
- 06 R 37701abb4356f9fcc9618c4bcd4859172e8bb5399083d4df07be40ae7484417b
- 07 L c47b32ce5ba07a51128d3f0776b408cd5854a9ba02f3b8c8b1c4f48f5d97fccb
- 08 L 9cf0b7d5622a6d0abb1c767fc7ffec76ef1f0ca3b68525efaae88fc01d37898a
- 09 R 9fd0252e9987dc7fedb609267f0b523124e2ac9b60b9d70662f313361be1bafe
- root 67529375c504d34317c768e1be8af9dd09ff2b01f786eccf2d0800144c8a5458