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
DPWH - BATANGAS 1ST DISTRICT ENGINEERING OFFICE Award a ₱2.9M contract to SANDSTORM CONSTRUCTIONNational agencies
Transaction hash:
a78c2de07100e41b34df151d7524f2b29f6c58e010ddf75b41b8a1f50fe0c3ed
Status:
Included and unchanged
Block:
#5,172 841 blocks after it
Position in block:
Transaction 159 of 255
Award day:
Jun 2, 2023 (3 yrs 5 mo ago)
Value:
₱2,880,964.35
Project:
23DB0060 - Convergence and Special Support Program
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 #5,172 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 2023 CSSP", i.e. the FY2023 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)DPWH - BATANGAS 1ST DISTRICT ENGINEERING OFFICE awarded it to SANDSTORM CONSTRUCTION on 2023-06-02.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23DB0060: 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 2023-09-10). 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 a78c2de071…e0c3ednow …
- 2. Block Merkle root changedstored 91753bc155…5eb162now …
- 3. Block #5172 hash changedstored e43c0aae7d…26d15bnow …
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 a78c2de07100e41b34df151d7524f2b29f6c58e010ddf75b41b8a1f50fe0c3ed
- 01 L a6ae8a56e7a692ff835277e0cf11cef8ae76bfd88e716419e7e6a11546bbc377
- 02 L f3b93ee92e1e7f7177cb8da4a61e0e15f812973fdb1273f13edfcf77905a313b
- 03 L 78906847df618e4e7a1ed5f6053393dd29bebb8d4e7c8fb9fc973ef1126256ec
- 04 L cc79ec032dec156483dbcb60ecccdf23bcf82473dc66d2af5a9fa4efb7447f53
- 05 L f6d0a85bf8aca4e49256ec5fa85390a9c570cc41f05c109051575d46b4953ee2
- 06 R 3b5ca66e3a3588118b4569c2736b76f6eb99214a5d29b03cce4c067af1b11e69
- 07 R 65273c89a8df0ce2f939b5d222c33aaac4f0b0393ccdecf63edbed645051ad03
- 08 L 99469c5bfd8e30a2e445d36dcb96940f3341e7083210d0ad95ba8110020d87c5
- root 91753bc1558d080d8c0f98e9c809dddac16900f065f4f886dff96727205eb162