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 - QUEZON 4TH ED Award a ₱9.5M contract to ARDA CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
dd993cffd84d5e600bee53f6f9a839e8a2b442f74b60f1d5f58682b3779758f5
Status:
Included and unchanged
Block:
#4,004 2,009 blocks after it
Position in block:
Transaction 198 of 238
Award day:
Jan 24, 2020 (6 yrs 9 mo ago)
Value:
₱9,534,299.78
Project:
20DL0017
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 #4,004 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 OO-2", 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 - QUEZON 4TH ED awarded it to ARDA CONSTRUCTION AND SUPPLY on 2020-01-24.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20DL0017: 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 2020-05-27). 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 dd993cffd8…9758f5now …
- 2. Block Merkle root changedstored ad1e5cb33c…723264now …
- 3. Block #4004 hash changedstored ff623274da…6584a8now …
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 237 records. Each step hashes the current value together with the sibling shown.
- leaf dd993cffd84d5e600bee53f6f9a839e8a2b442f74b60f1d5f58682b3779758f5
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- 02 L 7e3447c9757217c3ed6f8c4026746b68f34de78c202b251933dd75f87646aae0
- 03 L cb02fa28a2a8d1a1015f17d63bc7c7a6c0664723d347d362ca435e3f773bd333
- 04 R a58e5b8a0dab5c776846243b1cf87e07b49b792b8277e92f7b30eb8bcdbb00af
- 05 R a655ce6b630a8ed9acc7a61513b598cd28ee33b7d18ed74f64722a833f73f8dd
- 06 R add8a613b6bd812e5b4b19dd255afc9ab845920c42152ca605a5007890086467
- 07 L 3ec00bc18cf33c43940de69d40ea91156f972921636dad415b31bb003e0875f5
- 08 L 112136d4b078da1e1d5ce4726876247d3342c6e3651d55cb0ef4c3eaea0c157c
- root ad1e5cb33c15d8efdade926b2a62a9ab1b58c8069dbf4c21154828b310723264