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 - QUEZON 3RD ED Award a ₱93.6M contract to ROMHEAD S.J. BUILDERS & DEVT INC.National agencies
Transaction hash:
cf4133a5aa665fac7efd054ebd13faa2445a264d1f42633a290b875807f79755
Status:
Included and unchanged
Block:
#5,861 152 blocks after it
Position in block:
Transaction 421 of 523
Award day:
May 26, 2025 (1 yr 5 mo ago)
Value:
₱93,604,998.76
Project:
25DM0128 - Asset Preservation Program - Preventive
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 #5,861 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 - QUEZON 3RD ED awarded it to ROMHEAD S.J. BUILDERS & DEVT INC. on 2025-05-26.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 cf4133a5aa…f79755now …
- 2. Block Merkle root changedstored ef76afa41d…b23d13now …
- 3. Block #5861 hash changedstored fa462f9995…1bcc22now …
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 522 records. Each step hashes the current value together with the sibling shown.
- leaf cf4133a5aa665fac7efd054ebd13faa2445a264d1f42633a290b875807f79755
- 01 L cf3e69b2ef7085b2822742fd9690bef74f52225f1fecc13050ba058f54098752
- 02 R 64f0014627138e334c02164f5fe301b8b85231a0b0a5d247997955dccab55ca4
- 03 L 9c70a9863299bc8f0c385e5fa115cb2dc3c819f13f3723fba88816e9c1fff897
- 04 R 509c784dd4d7de5086caaa1ddec8cc8536732e5c8a92ae89b9d217995eabbf10
- 05 R ce312ce52eb70674fbdbb5e66cf2fecaeba6d42f0f9837ec3c081db594c30e9d
- 06 L 5ff355f8276c8e3bd075110b6a052d57da264056e8755880da3fd7480d4acd1e
- 07 R 747402e21c19f880ea796735c3ecf3a623742339b736a534a69ed3011ce6ef36
- 08 L d7c04b88acd8a96cdb6a4e4a9c44eb2c7fa683287c5430871ae6483d3329a472
- 09 L 20ad3c1d7b05d456cd724786d89bd20c19cf335e8b781b367b7fc2d98f0cc2cc
- 10 R c18ae1cb2945494d659de697a747ee3445aed72b905149e6429e5501d3ba4799
- root ef76afa41d106f4bd1ca99f4ab841866bd2be2f3be4b2ce45c470e9b6eb23d13