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 - ANTIQUE DEO Award a ₱2.9M contract to AJS CONSTRUCTIONNational agencies
Transaction hash:
a4ea8d0d8bf14c5f8c8ffdc45e19226bddfdd52ff61a9a5b6e4d694fadaa108c
Status:
Included and unchanged
Block:
#3,281 2,732 blocks after it
Position in block:
Transaction 488 of 766
Award day:
Dec 21, 2017 (8 yrs 10 mo ago)
Value:
₱2,856,130.04
Project:
17GB0264 - Construction of Technical-Vocational-Li
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 #3,281 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 2017 DepEd BEFF", i.e. the FY2017 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 - ANTIQUE DEO awarded it to AJS CONSTRUCTION on 2017-12-21.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17GB0264: 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 2018-05-25). 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 a4ea8d0d8b…aa108cnow …
- 2. Block Merkle root changedstored 9e0309d5eb…d40323now …
- 3. Block #3281 hash changedstored 4e6cba51d5…5b5d93now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 765 records. Each step hashes the current value together with the sibling shown.
- leaf a4ea8d0d8bf14c5f8c8ffdc45e19226bddfdd52ff61a9a5b6e4d694fadaa108c
- 01 R a537081eeaa1190177f3645515be2ae90281f4372a86345db86caad50d350479
- 02 R dda24b3a4d0b3e908acd9f83aa79a4e5a2b938e9593c6c977a4ae42e9a2c815a
- 03 R 36aa218a7720166da660413304da1805a823658f519a78bfb4d46aaa4c04b2e6
- 04 L ec39d0fdb611677f7942fd302e7fb36b135879d3896da6bd38ba61cfd6c71754
- 05 R 2e7254a22f249768a5931a8d08c9b7ded4830a82b1e93025292e7958c27d96c5
- 06 L c2790e3695b0ddab4ba48fb4a34c30d1f941f090f0aba29d184618846a73ee13
- 07 L a17c8d9701341b1641fb99d4b4f212b85989289302545b9cd1b2cfed3faf2118
- 08 L 57d475bfbb322a6b24e303c9f046c7a18ca3e888dad470b37d6ea3b175d2c9c4
- 09 L 974e8d7b5d338495ca6a98766ca185605c2036b124214fb3e428a49a379123bd
- 10 R db382426da6af360c50e56de557fb5ed63c86ac769cf305138965b1997157648
- root 9e0309d5eb97d6a32246e8747f1916d9dfcb56767e3e92b7f3f91e996cd40323