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 I Award a ₱4.8M contract to BERSON'S CONSTRUCTION & TRADINGNational agencies
Transaction hash:
4589e57efc77dcfee77cc6881143c8c64ed3cf7cc5d10fb78c2c46db36d922a9
Status:
Included and unchanged
Block:
#4,514 1,499 blocks after it
Position in block:
Transaction 93 of 315
Award day:
Jul 21, 2021 (5 yrs 3 mo ago)
Value:
₱4,801,889.55
Project:
21A00224
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 #4,514 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)DPWH lists the funding source as "Regular Infra - GAA 2021 LP", i.e. the FY2021 GAA. The exact UACS line is not given.Partly
- 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 I awarded it to BERSON'S CONSTRUCTION & TRADING on 2021-07-21.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21A00224: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2021-12-10). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 4589e57efc…d922a9now …
- 2. Block Merkle root changedstored e20263e9c4…677708now …
- 3. Block #4514 hash changedstored b971c7bf85…0bc90bnow …
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 314 records. Each step hashes the current value together with the sibling shown.
- leaf 4589e57efc77dcfee77cc6881143c8c64ed3cf7cc5d10fb78c2c46db36d922a9
- 01 L 44c43db4fffc3e622bea0f396ba209dc1702580a15407e1b5578172fc4014012
- 02 R 1f35074df64fe8c203c6826a0b666c2e63ceb02b8934c3ec830bc165ffb0c95f
- 03 L c25ddf56c9aad074ae862c3ee006d37df076b35379959d2e4fc6b5476851961d
- 04 L 2a10a4bd1c01e4033317889c9ac1bfa9f0055fe92b7123d35a457aac3f3a63a3
- 05 L f1f06b0eb0c9215393035eab060513bd69cb68dc4a0e6a987a5d17ecf906a1f4
- 06 R c96a1bd9497fedea9ba917287fe1363a98065f3c2f3bc517f9e37b0a021ee6dd
- 07 L 6c9042086068e750fca99109c7985de63884857d859d0f0a2a8390722357ef6a
- 08 R 87abfef7dbfa993b517c530019a4a1e5fc85ed85aa84c4c0880f1784eca42be8
- 09 R 28dbf0e70ea2e5e042cbf6b70211f1c9ead32006b2774eae6349491e6c660b30
- root e20263e9c48d1f64cdb07479ef09ff90209c57643af95835c22a159697677708