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 - MISAMIS ORIENTAL 1 Award a ₱85.6M contract to VICENTE T. LAO CONSTRUCTIONNational agencies
Transaction hash:
a19757571ff20ba2e22dbf17a9a2e06e712b1e335bd59d2f06a24b5211db7b38
Status:
Included and unchanged
Block:
#4,206 1,807 blocks after it
Position in block:
Transaction 257 of 433
Award day:
Aug 28, 2020 (6 yrs 2 mo ago)
Value:
₱85,606,713.23
Project:
20KK0132
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 #4,206 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 - Contingent Fund 2019 Extended". 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 - MISAMIS ORIENTAL 1 awarded it to VICENTE T. LAO CONSTRUCTION on 2020-08-28.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20KK0132: 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 2021-02-05). 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 a19757571f…db7b38now …
- 2. Block Merkle root changedstored 1139ceb392…03e210now …
- 3. Block #4206 hash changedstored f67a5e6af6…c842e6now …
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 432 records. Each step hashes the current value together with the sibling shown.
- leaf a19757571ff20ba2e22dbf17a9a2e06e712b1e335bd59d2f06a24b5211db7b38
- 01 L a174537b021f74fb06a197d974cf5e40a94bdae59ebe31f817569bb564f61059
- 02 R b924e6a22d0b6726013e6be8a7ce99d14173999e9cbe835184a2b77603649c9f
- 03 R 45b2d7f784bedfbb0ebab7e5a1b62e0fc8ffdbfa5f76f043bf393945c039345d
- 04 R 412526e7335cd87d493178f5d257e8fe3e8a2807c53cb180b2239fafa433b6ab
- 05 R aff7afbbbef9b036c9ad107cd49d7ae985f3be51be1e9071169886d30258890b
- 06 R 88556469adbf3f52e4b6e951e2db9744513d30bfbb8b314521402a0523edf941
- 07 R ee67d92e2f620d432cf00ac5dd8daf93ceee2b8b4cc57ade094fe33791a6ba0a
- 08 R c5396828c1805c8c20e32e8f57145fa0141955a272c5bd27acafa8155c1230c1
- 09 L 278f9d3d41cc059ec0e063091704df0f85ea1e3dfe4491748194a52840c6a365
- root 1139ceb3921dd968bfb984ffea1369deda41285b2a63b4bf89c68e8cc203e210