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 VI Award a ₱98.5M contract to S.T. SALCEDO CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
f4dee790d04fdb6fc251f7108b840badd00bf4c55e26e71bdb87b41a5a06edaa
Status:
Included and unchanged
Block:
#4,370 1,643 blocks after it
Position in block:
Transaction 556 of 582
Award day:
Feb 22, 2021 (5 yrs 8 mo ago)
Value:
₱98,542,155.92
Project:
21G00001
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 #4,370 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 VI awarded it to S.T. SALCEDO CONSTRUCTION CORPORATION on 2021-02-22.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 f4dee790d0…06edaanow …
- 2. Block Merkle root changedstored 7a3ddc8839…0914b8now …
- 3. Block #4370 hash changedstored d2571844df…ab5437now …
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 581 records. Each step hashes the current value together with the sibling shown.
- leaf f4dee790d04fdb6fc251f7108b840badd00bf4c55e26e71bdb87b41a5a06edaa
- 01 R f4ef17824993ceda46d3d115680d34cf048c5f8616f6d0b8b37e1f60e84bf293
- 02 R 231f70f9fe70db020bba14eaafebbc6105b767a77fddce465d472eb67d50baca
- 03 L 8e7f9428afcf63592f8388bc926fece9a3e25259110e6159db3aa900cc51c708
- 04 L 644eabc431148a67a0a2eb4dd91a1e6d71677c953b913b4babf6f2bb59312620
- 05 R d4ffd8d56e8fa5ac120ed66b629ea2d20d601c96ac013013fb6044ee5bd82d1b
- 06 L 5dd2e4655c59fd1b689b33bf29a868c110be31ed06fa0cfe1ba2b137941e5484
- 07 R 20f9f97241fcc7e77c8586fce62b69f67a61e63fdf5768e9891877b23029531e
- 08 R f703e4ecf878a1af1d5b9ef2e662bd62d5cd9ddd7d86b37d4f80f7119bebc548
- 09 R 7431b036bc94df75660f941ebcbc792a3cdc171773be7e5205a0d1bdee87eecd
- 10 L 47d1a81e4fcfcc563138cf39a5cb6e5e7fbf089bff671a9473fb753037c23bda
- root 7a3ddc8839ef84b8823f5706904ebe0be1670d8fa4a57d1a209d4e4fb30914b8