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 - PAMPANGA 2ND DEO Award a ₱47.8M contract to TONKA CONSTRUCTIONNational agencies
Transaction hash:
1cf1075a1e4aebdc751e612cc18577ec366eee0b1c3f43c602e704a65d2461ae
Status:
Included and unchanged
Block:
#5,165 848 blocks after it
Position in block:
Transaction 38 of 377
Award day:
May 26, 2023 (3 yrs 5 mo ago)
Value:
₱47,823,715.96
Project:
23CH0081
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 #5,165 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 CSSP", 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 - PAMPANGA 2ND DEO awarded it to TONKA CONSTRUCTION on 2023-05-26.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23CH0081: 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 2023-12-10). 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 1cf1075a1e…2461aenow …
- 2. Block Merkle root changedstored eea2b68323…f33c8bnow …
- 3. Block #5165 hash changedstored 9084f37ef4…fd6ee0now …
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 376 records. Each step hashes the current value together with the sibling shown.
- leaf 1cf1075a1e4aebdc751e612cc18577ec366eee0b1c3f43c602e704a65d2461ae
- 01 R 1d0372c2df1e5b73d42972987bef0e4fc9bf43a7b8802df220460296772e5547
- 02 L 101bdb8caabbcab279dcb99912748dfada30bc1afeddaa92dd90dfe2f2416820
- 03 L ae73241d66cd363a405c7ca821903f4388cf0558cf64b4cc7148500369bee9f0
- 04 R 61eff06525851cc94c76aef24c3ed053e72da7a5658c0e45afef17c50f88c6c4
- 05 R 0fe6dc99e122419d5d80e4b13d4726b51999d32a2d1b5d3708cbf5277012f38e
- 06 L 9a4b79ae5b58c1ea9ac80cc294224b31e2f1e5c6544a20f5d5c49fbd36595e36
- 07 R 7b15bb109b72569024206c0fb4d9d6e7f5c780265e8803bd1ee7f564cb786054
- 08 R 849ec676afb945c7a6b0da006ed7c65430ed235899202a8776eec776d5c9868a
- 09 R 76c390f5ecf75894d455102c2b019f4dfc1642db923c442616e3378ec3658d73
- root eea2b68323095ee56d88344d2f73eab46738e38855d61abf8a1819c76ff33c8b