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 - CAVITE 3RD DISTRIC Award a ₱4.7M contract to D&J BUILDERS AND POWER SYSTEMS CORPORATIONNational agencies
Transaction hash:
a747f91a275d17ebee5a003e48be547b2b9c559264a873a7f03114e8584affe6
Status:
Included and unchanged
Block:
#4,465 1,548 blocks after it
Position in block:
Transaction 163 of 255
Award day:
May 31, 2021 (5 yrs 5 mo ago)
Value:
₱4,655,145.45
Project:
21DQ0077
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 #4,465 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 OO-2", 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 - CAVITE 3RD DISTRIC awarded it to D&J BUILDERS AND POWER SYSTEMS CORPORATION on 2021-05-31.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21DQ0077: 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 2021-10-19). 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 a747f91a27…4affe6now …
- 2. Block Merkle root changedstored e6c2433589…e0ed07now …
- 3. Block #4465 hash changedstored 6d8b0678ab…b65c5cnow …
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 254 records. Each step hashes the current value together with the sibling shown.
- leaf a747f91a275d17ebee5a003e48be547b2b9c559264a873a7f03114e8584affe6
- 01 L a4cec66a5b7ecc02791a7f811d173a9bfbc7cd04c8996ee2db84c1c9a8f0071b
- 02 L 204a02fcbeaee996152124dc155fd6f31eee13e47a300e0f7594025b70e10d3d
- 03 R 927603fbb71435f7ec2d9341ab2e2d519f4997c4ec9e595e5c721db7c3e01d88
- 04 R 06a16d9ad076dd5c7bf4c969fa6162161620948032553565d35c09af49a7a625
- 05 R 2681551d8e82a9d0f455debb0e64d775127576b19855a0a6987d21a04ec71344
- 06 L 9e68357bccfac16186cc8ca4390003e93c37bdd6cb53a7e529c80cc20035e6ad
- 07 R c00099fcb5fc42e91d18dbe6c0c53d5578ffac4df019c27d1a579cabdcd764c1
- 08 L 7881690c3a2f67ad5ec30ee8a1732f9a912973535639b0be7eb21b2ebc11b5db
- root e6c243358974e5fedcf7286dec8b81ac8c05edef9375616317e2af1c3be0ed07