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 - COMPOSTELA VALLEY Award a ₱3.9M contract to DOUBLE J CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
f7c3e1dc9cac26e0cbcd4e66fe2f22fb134e07e3913cf72682bf27dc0e93a3ec
Status:
Included and unchanged
Block:
#4,248 1,765 blocks after it
Position in block:
Transaction 189 of 195
Award day:
Oct 12, 2020 (6 yrs 1 mo ago)
Value:
₱3,914,811.77
Project:
20LA0241
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 #4,248 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 2020 CSSP", i.e. the FY2020 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 - COMPOSTELA VALLEY awarded it to DOUBLE J CONSTRUCTION AND SUPPLY on 2020-10-12.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20LA0241: 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 2021-01-15). 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 f7c3e1dc9c…93a3ecnow …
- 2. Block Merkle root changedstored 51ca5a9a6c…f1aa21now …
- 3. Block #4248 hash changedstored 159b94a62f…203d59now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 194 records. Each step hashes the current value together with the sibling shown.
- leaf f7c3e1dc9cac26e0cbcd4e66fe2f22fb134e07e3913cf72682bf27dc0e93a3ec
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- 02 R 0f99cf81bf29f5f28cd10818b2fa1f0bac180e71aae979868545c7d5ee01f6a9
- 03 L aeb501e7675d61a1dbfe110064f200229332f21874956ab2fcbc904de11f7738
- 04 L 308ecbcb884bb056c988f76c084577a75f5084fae2e5b96a4e89e5cc0d1aadef
- 05 L aebbb1a19cbd3016b3efff058c0f8a42060ced132973b4e85e64975b61a69740
- 06 L ee25c2537c38c7b91c1e06b5220fa6bbf372e2bc0aecc3f606cf9f9dac8fd82f
- 07 R 7bc297423ae8f100de1f6292966a4d1ef41bca23a3acdefc0b4ce973bc9dd17a
- 08 L afca5cd61b64a27d023bc98b823b9a284b8cadd9097a8ffa7984967a4c201dd3
- root 51ca5a9a6c608f55093af42a871894accb768e8b39c04d0826eacbed55f1aa21