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 - SURIGAO DEL NORTE Award a ₱12.0M contract to SANTECH BUILDERS CORPORATIONNational agencies
Transaction hash:
1894c8e2a21660dad444bd2fd2fc542a5c2040a71f842c93274cc0cb060f1498
Status:
Included and unchanged
Block:
#4,576 1,437 blocks after it
Position in block:
Transaction 19 of 206
Award day:
Sep 22, 2021 (5 yrs 1 mo ago)
Value:
₱12,002,169.73
Project:
21NG0113
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 #4,576 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 "Outside Infra - GAA 2021 DA FMR", 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 - SURIGAO DEL NORTE awarded it to SANTECH BUILDERS CORPORATION on 2021-09-22.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21NG0113: 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 2022-05-05). 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 1894c8e2a2…0f1498now …
- 2. Block Merkle root changedstored 1ffb69e4f4…473576now …
- 3. Block #4576 hash changedstored 299059b75d…acc8f6now …
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 205 records. Each step hashes the current value together with the sibling shown.
- leaf 1894c8e2a21660dad444bd2fd2fc542a5c2040a71f842c93274cc0cb060f1498
- 01 L 17f344293d84d57e273f2a90661a6d2bdc8ea3890a520a168eac6d8de40ebd20
- 02 L 545c5d5904eeb4c1e27e3e4f3d1376b4dfaecf32b298d6772dd8300aec7d48b5
- 03 R 527ea7ed0068ecddf023722b17a2723610ed32a041f9c18e25f35eddcf0db9e0
- 04 R 350152a9343d75ca03dc36bbed5bc4598e07e16bfb50db18907e0a674a8831ed
- 05 L 1037a994352d8a9ddd1f2dc9b7bb788a15d426834e14232ff6b681c3c289a609
- 06 R f576d8dc05d16ed016f2e3de44a0c4f6d9f8ffd05f65ccc674c6ee40fdd772b1
- 07 R c8d0e1daba4746b327610200aa6cd9c3a3b863271f739feb33971c4a82631f44
- 08 R 50614f0c6d25008a3ac945fd1a4a7a6e5d9e6ffe9d8d514971c744ea47c02ab2
- root 1ffb69e4f4cb46c7255fc2a1d9ebb0409fa2c7af500ba30da8fe02716c473576