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 2ND ED Award a ₱4.8M contract to ROMHEAD S.J. BUILDERS & DEVT INC.National agencies
Transaction hash:
3982e57f294d61ee65fc0f7ad8f54cfbcfbe0ee3d2f5e593c148c8c00830e2ef
Status:
Included and unchanged
Block:
#5,136 877 blocks after it
Position in block:
Transaction 95 of 409
Award day:
Apr 27, 2023 (3 yrs 6 mo ago)
Value:
₱4,802,000.00
Project:
23DJ0113
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 #5,136 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 2ND ED awarded it to ROMHEAD S.J. BUILDERS & DEVT INC. on 2023-04-27.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 3982e57f29…30e2efnow …
- 2. Block Merkle root changedstored bc63e5f68c…32706dnow …
- 3. Block #5136 hash changedstored efd3f8c631…7fc2f4now …
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 408 records. Each step hashes the current value together with the sibling shown.
- leaf 3982e57f294d61ee65fc0f7ad8f54cfbcfbe0ee3d2f5e593c148c8c00830e2ef
- 01 L 3961d7cf833d625c8a74d87e281ffeb19b452c2fb6a0871dfc6e0ddea3618c42
- 02 L aff16b6c0d4ff16267b5e62cd22d7ac86faef0df379fcd8e1f0ba02878940cea
- 03 L 8d8fc6e31c3a45e85196bab6b61daa1c4972d0f2efef0d19665d0fe4fb233e90
- 04 L 90eaf09634172104c2ef930f9e7022507ab975252580d858f87b0b0f4fb6b018
- 05 L 8485e111dbe64048fb6b98ca9efbe59c4848829d58401f3f3f91258f57924f7f
- 06 R a30d84090e5bba202d8e86dc7dd8949407e9b38d2f1955b0c841b8afb3c22563
- 07 L e1b5da05051703042c8ec4a3b8b3228eb866356bcd80357c54c4da852479a91d
- 08 R ca2ab1b13ec50941cc7404caf209235d6bcb2c95a56c09890ef2452475afa69a
- 09 R e9b7d6571180973b5e539a356bcf7d20d56e247fe7fcf84d24d6cdc80d0fe592
- root bc63e5f68cae1a1f2fbac9a33ea3a534fce28fad7fdb072d9432d42ad332706d