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 - SOUTH COTABATO 1ST Award a ₱16.5M contract to ALEXANDER BUILDERSNational agencies
Transaction hash:
72a2ef43f86f565a339efda0da02a93523055d6e85999ab9e4de6edf4ca0ace6
Status:
Included and unchanged
Block:
#4,176 1,837 blocks after it
Position in block:
Transaction 88 of 177
Award day:
Jul 28, 2020 (6 yrs 3 mo ago)
Value:
₱16,466,382.44
Project:
20MG0078
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 #4,176 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 2020 DepEd BEFF", 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 - SOUTH COTABATO 1ST awarded it to ALEXANDER BUILDERS on 2020-07-28.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20MG0078: 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 2021-02-26). 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 72a2ef43f8…a0ace6now …
- 2. Block Merkle root changedstored 8abdce9357…32a997now …
- 3. Block #4176 hash changedstored 068707a01e…aa9c20now …
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 176 records. Each step hashes the current value together with the sibling shown.
- leaf 72a2ef43f86f565a339efda0da02a93523055d6e85999ab9e4de6edf4ca0ace6
- 01 R 76beb930f15c7efda4b60a0dc3ea421e674304903b7efd086acde09a12f58fbd
- 02 R 94d6d22d957c19fbce4caab9b11feb6d1807aa46a1c4db4acd6b654a2b2fe105
- 03 R a890e6e53a8a6c92a43845cdb30c54d908b9c389fa32b69e6869e467fa89d287
- 04 L 8459c5ccd766065ec97b87f440eef63d7f5fcb17c084d25a0e1b1f56cf3aca6e
- 05 L 586fb9f493140ed6a69d5d0b88b14bebd42e6e2f975018a74567a55c6c835e12
- 06 R 094216da2ba1e551ed4777a3cef9c9333f2fb87522d12906027b1097a0322e98
- 07 L 800cb5109b657c0fde1254f17184f2fdc9447280872f028db902cc65ff329f9d
- 08 R f32055cba6dfbcf052d4c1174e04a0886cca8c2c57275dc3c18f10b3d603b7f4
- root 8abdce9357c1ff667c73fa0d4697baa475c1c4ffc76acf3d23768e644332a997