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 - ILOCOS SUR 1ST DEO Award a ₱5.3M contract to MAPLE LEAF ENGINEERING AND CONSTRUCTIONNational agencies
Transaction hash:
d4f0eb414ff48fb1881ec016707d74c82fa66901c0f99e5b90126cd28fd088df
Status:
Included and unchanged
Block:
#4,110 1,903 blocks after it
Position in block:
Transaction 150 of 178
Award day:
May 21, 2020 (6 yrs 5 mo ago)
Value:
₱5,332,335.79
Project:
20AC0040
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 #4,110 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 LP", 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 - ILOCOS SUR 1ST DEO awarded it to MAPLE LEAF ENGINEERING AND CONSTRUCTION on 2020-05-21.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20AC0040: 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 2020-11-04). 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 d4f0eb414f…d088dfnow …
- 2. Block Merkle root changedstored 24465ecc2c…11c5f1now …
- 3. Block #4110 hash changedstored e71e5e4e1d…3132e3now …
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 177 records. Each step hashes the current value together with the sibling shown.
- leaf d4f0eb414ff48fb1881ec016707d74c82fa66901c0f99e5b90126cd28fd088df
- 01 R d6e5ce2e7638a3e172001bf688c0dcb13327bb88e575a3e8cf8cbea8e25f7812
- 02 L fb8f04a7f77a002f25b5c1a74de86f3a9d7ea63b4281b6c2fb2e72eda3664f08
- 03 L 5ee029c7b72ca9009357b35aa47bf9e67cb76671c1f390b0512827717f3fa25f
- 04 R 9196d5a5e8a89bdbffcc60b2754c34141eafca1d21c1377d8c9ab262b511753a
- 05 L 71805091dbee346aa25f5d63ecfa03002447d538513915c6b3937bb3e61941db
- 06 R 1d1fe85c84018c1d2ae52b0caa2316b4915bef94ce297e756642f9dab6766655
- 07 R eb4b5845cfd92f223a84a50d57645be9caee0c0322bc749d8b86da60bcfdc2fd
- 08 L 38cbb4da1dd8c7e53b9ff36177bed464178cb4d63c9fff2560683313e7e28880
- root 24465ecc2c4b0bf9d6dd3863f2f02d04c55d6d1cf7c79aa1846f5edf5f11c5f1