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 - ROMBLON DEO Award a ₱9.1M contract to ALPHATEC CHEMICAL CORP.National agencies
Transaction hash:
f862f4d8457fe3f27ccbd2a2d555d1ca48098d212f6f53f9af4c37969a685d1e
Status:
Included and unchanged
Block:
#4,735 1,278 blocks after it
Position in block:
Transaction 501 of 516
Award day:
Mar 3, 2022 (4 yrs 8 mo ago)
Value:
₱9,138,031.81
Project:
Retrofitting/Strengthening of Permanent Bridges
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 #4,735 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 - ROMBLON DEO awarded it to ALPHATEC CHEMICAL CORP. on 2022-03-03.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 f862f4d845…685d1enow …
- 2. Block Merkle root changedstored b68259e35d…999dfcnow …
- 3. Block #4735 hash changedstored df390cc841…419b7cnow …
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 515 records. Each step hashes the current value together with the sibling shown.
- leaf f862f4d8457fe3f27ccbd2a2d555d1ca48098d212f6f53f9af4c37969a685d1e
- 01 L f84229bc928b387ef8498585354fb8418f07a7450497b54b3ed2618b5e99ccd8
- 02 R 74648b0845114a74e783d1bcd4d7547277ed06ea59b5c5ba78bb477541706388
- 03 L 74da8332a84baca655c6c16e4e78a2a6deba8d2e2fb021782618973d47014afe
- 04 R f51cb5f2ef2310872db166125d4ee1d9101c62b1fda609bc0a3fc3be68bc73bf
- 05 L 50005d7e6b30a817f9492045945d23360b025f158153837f17747e336c3e8655
- 06 L ae5bd31def80c82025dda5be1a47d11023e735346bcdd4f1f2d99abf39cf5f03
- 07 L a88e34bbe6076df6fcbc465cd9d866c44543ae12ec45df9165ebacdf02ca215e
- 08 L d21b4799e521d285157952208dfdba4f7b1875d5fa2940761a49b95b23d6773b
- 09 L a6c21983f75b89868fb78d75e073c776680e31d6df7e386f9820ae1f2b263fef
- 10 R edeed07cc3a529e3eea3ad353a25817503d63772d7bc435a3fd6b62f5a7b428a
- root b68259e35de6a2f51cc3b517d964b01137daa218ba1b46fefacec0b642999dfc