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 - DAVAO CITY SUB-DEO Award a ₱28.6M contract to TKS BUILDERS & SUPPLIESNational agencies
Transaction hash:
c2a22066f2d95acbab51c2ea00a0f9af6ae0d02f719cc87eb602b80896f82c31
Status:
Included and unchanged
Block:
#4,022 1,991 blocks after it
Position in block:
Transaction 500 of 645
Award day:
Feb 12, 2020 (6 yrs 9 mo ago)
Value:
₱28,576,046.91
Project:
20LH0039
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 #4,022 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 - Flood Control: Construction - Drainage (e.g., Closed and Open Conduits, Spillway), Roads: Construction - PCCP". 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 - DAVAO CITY SUB-DEO awarded it to TKS BUILDERS & SUPPLIES on 2020-02-12.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20LH0039: 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 2020-11-17). 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 c2a22066f2…f82c31now …
- 2. Block Merkle root changedstored 4555dfc78b…d9c463now …
- 3. Block #4022 hash changedstored db56316612…87adc2now …
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 644 records. Each step hashes the current value together with the sibling shown.
- leaf c2a22066f2d95acbab51c2ea00a0f9af6ae0d02f719cc87eb602b80896f82c31
- 01 R c317877267b36a92d9c01c47b652b0f77cb0d8b28399fa925feecfa59aa991ea
- 02 R 9763143991c1197f01219b3c53695764dc2c4d490a08bca4366b6f39ebe76f6b
- 03 L 0142bdf9951c1b311faab8430c30754ba7a9557c1d48ea184d79cd4ec819aecf
- 04 R 5e8c46600a9d520d0306b39c2450ce1715690fe215005c19b17bcf06a60d66f3
- 05 L e02e10e7f1d06d7c287250d692ea85413429a3c734b2da1efa3f31ec5530a923
- 06 L 5634c78e454ebdb25c220f6bb857bfb22c3c1ccb43e8e4bec54ea5f0bb2c9b1c
- 07 L 710ae0f307b27b931aa0c30834230e2a13ebe39a71272210b530d1f44e2fffbf
- 08 L f430e1cf7bffe6c85eb6d7d27e3e152578a05d3faf7c969832406d8ad141c26b
- 09 L f53334c3ad02aa65cba8ff62ce4c647dfaeae26219af53129aba9b359055ceb3
- 10 R 71e95ee27ca5c549210b3956696439940c55d3ec9a7ec47e39531469b1f8c1ff
- root 4555dfc78bbea409dedc9ef419fb898486e869f15313a9e9b5a813b910d9c463