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 - ZAMBOANGA DEL NORT Award a ₱1.5M contract to MCTEL ENGINEERING SERVICESNational agencies
Transaction hash:
2fb8054f4e2f5152b3d640eed6ef362aa8f2df7d6a3ee300a8019a809b1b9b52
Status:
Included and unchanged
Block:
#4,610 1,403 blocks after it
Position in block:
Transaction 40 of 290
Award day:
Oct 26, 2021 (5 yrs ago)
Value:
₱1,468,170.00
Project:
21JB0097
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 #4,610 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 LP", 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 - ZAMBOANGA DEL NORT awarded it to MCTEL ENGINEERING SERVICES on 2021-10-26.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21JB0097: 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 2022-03-21). 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 2fb8054f4e…1b9b52now …
- 2. Block Merkle root changedstored 94baf45bad…ac7d8fnow …
- 3. Block #4610 hash changedstored 6a990cd882…3e05c9now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 289 records. Each step hashes the current value together with the sibling shown.
- leaf 2fb8054f4e2f5152b3d640eed6ef362aa8f2df7d6a3ee300a8019a809b1b9b52
- 01 R 3062ba079bf7290dc71453bc8aefaa1e0974f9a32d43d2073ef3a04292098029
- 02 R 57740f49cf7e8fbdedfe3c2d8ca99a15f92b8e31be72d63076da1aad3ba269a6
- 03 R befacb6d8c1b96e993899d688d9eca0e56e992bcb47f113cc7cc9cee3a820f35
- 04 L d674e4f7b77b64d634158101ebedaba97763416626c5cb591898fd2ba541f290
- 05 R 33ba88da49024f90b9ab4a6ced78aefcc709cdb8495a3461b3e1ab02e660a812
- 06 L 06efaa0a239539c6326e9d95609574797e79190cdc21a687347b96937383d6ed
- 07 R d1843c6489b1dfb038da9cc4b3879beb4f0ad25ba4affda682aac9f1d0267dc3
- 08 R fba55aa6d8f9fb3b8f976c2a005b7b4a6656301b848e900c2f4a10559e2dc3dc
- 09 R b7f4c06bbfcd85de0e447d56cf49c52cf13e1ebe2a649624b7667e9095124105
- root 94baf45bad28b64071178560f96a16e8b50c56e2e52c1c70f29b976637ac7d8f