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 - MIS. OCC. SUB-DEO Award a ₱35.1M contract to GRACE CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
52fcd9be4a68dd89abdb053abc4c823091ad96c82f96b88c246a4e2f17556675
Status:
Included and unchanged
Block:
#4,687 1,326 blocks after it
Position in block:
Transaction 86 of 256
Award day:
Jan 12, 2022 (4 yrs 10 mo ago)
Value:
₱35,078,722.91
Project:
22KJ0030
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 #4,687 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 2022 OO-1", i.e. the FY2022 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 - MIS. OCC. SUB-DEO awarded it to GRACE CONSTRUCTION CORPORATION on 2022-01-12.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22KJ0030: 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 2024-02-25). 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 52fcd9be4a…556675now …
- 2. Block Merkle root changedstored 6066db71fd…59e131now …
- 3. Block #4687 hash changedstored 822a469dbf…9fbba4now …
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 255 records. Each step hashes the current value together with the sibling shown.
- leaf 52fcd9be4a68dd89abdb053abc4c823091ad96c82f96b88c246a4e2f17556675
- 01 R 5575d72bb572ebb09ae19b70d43441e5a29bacf6a6f9c3a02d3ea1c27d38d4b8
- 02 L 49505811cd2d81f9bb72fa4d831c331e7576b3e836ad0a32b842ca8bf5452e6a
- 03 L 5618df61028b46972ef230c46cc295a4be810d7f72fc61c31dbffa0f5c2ea0ef
- 04 R a192738a44062f188bcb76bc0347c7d9b78e6a88dbb9fab61f20b1acb91972f8
- 05 L 6bab1c31eeed3697d5d08b7a34d346196e127e252730862c67b4d543c8288a0b
- 06 R 23b9b7830b548391dae376a50a2c4f06abae1aa09ce047da902fdd8738dae69e
- 07 L d7d117a4864645e09559a0d60177b39cb4db8e034826c64f4b0957c974fbe9a0
- 08 R 95abe49dc095546eaf67043418a1a9d360c933e5b3abc5448e2b3def58f3228b
- root 6066db71fd7f8e363edcfcc2584d527ab7d69c2b75014d3c982f72caee59e131