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 - NEG. OCC. 1ST DEO Award a ₱27.8M contract to XA CONSTRUCTIONNational agencies
Transaction hash:
2bf1ded17b024b9ba77c1d866b806dadbfb8b323f1c5a7bf2e856d67ca718c28
Status:
Included and unchanged
Block:
#5,171 842 blocks after it
Position in block:
Transaction 40 of 227
Award day:
Jun 1, 2023 (3 yrs 5 mo ago)
Value:
₱27,776,161.54
Project:
23GK0051 - Rebid
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 #5,171 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 2023 OO-1", i.e. the FY2023 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 - NEG. OCC. 1ST DEO awarded it to XA CONSTRUCTION on 2023-06-01.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23GK0051: 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 2023-12-14). 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 2bf1ded17b…718c28now …
- 2. Block Merkle root changedstored 6a4d3b8747…62da15now …
- 3. Block #5171 hash changedstored 8fc30e148c…67e996now …
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 226 records. Each step hashes the current value together with the sibling shown.
- leaf 2bf1ded17b024b9ba77c1d866b806dadbfb8b323f1c5a7bf2e856d67ca718c28
- 01 R 2c1f6675fff4b1c95c27737ec6a3d527a6325336ca4f432994500291a44cdee2
- 02 R 035aa4b140e43d0fd37b7c745e9eab48e5f443a2fbb6c19b9dd8944ed58802e4
- 03 R 2318b7ab19dde128895364d64982cef23e634e3f9b76bf48fbc73fedface8e45
- 04 L f4c1f8110273f5f8dba984f3ce7a3935bab01999ccdb584b8917252ca04ca16e
- 05 R d2e97ceae917197d2254173796433358341565a3aa485c0fbf51c79e66ab6450
- 06 L 1d31740a43bfee24372754a23e4b65d5e0cffac96a0a22795430e351de6c2b71
- 07 R 02ca57d46ccfac6b389dabbdb1bc8c89610e1149b50b9da86473d1708dde6a75
- 08 R edeb2574babaff9a3d615e4d860f2aec6421e08128560e1eefa4a2f7ffcea525
- root 6a4d3b8747fbc789429a5beecc59f5ba3e7408f80af945e31ebdf4588562da15