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 - ILOCOS NORTE 2ND D Award a ₱2.8M contract to ST. MATTHEW GEN. CONTRACTOR & DEVELOPMENT CORP.National agencies
Transaction hash:
cdf00baafeb2f0448c4e8921928724182d40b09dc691c5dfa1d13b4f279f99b6
Status:
Included and unchanged
Block:
#4,349 1,664 blocks after it
Position in block:
Transaction 366 of 460
Award day:
Jan 29, 2021 (5 yrs 9 mo ago)
Value:
₱2,822,624.02
Project:
21AB0031
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 #4,349 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)The award does not say which budget line pays for it.Not published
- 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 - ILOCOS NORTE 2ND D awarded it to ST. MATTHEW GEN. CONTRACTOR & DEVELOPMENT CORP. on 2021-01-29.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 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)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 cdf00baafe…9f99b6now …
- 2. Block Merkle root changedstored 1e3acd4a81…69b944now …
- 3. Block #4349 hash changedstored ce5bdf83ed…c4ae8enow …
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 459 records. Each step hashes the current value together with the sibling shown.
- leaf cdf00baafeb2f0448c4e8921928724182d40b09dc691c5dfa1d13b4f279f99b6
- 01 R ced81929e2b3dff39e11767fd52cb518503ef54930e085c604f27370a9123147
- 02 L 41f8ccb2b9e4436f562b34083d7f4663da4048923ad09ce950486563ca094fe0
- 03 L 36000781fb1d0694d1d6f65ded6427eefb49cad75e15b72e057b802bc1b92381
- 04 L 43ef9da68387d50d943d995b48fb1e9387a94438882c765eee1501f56c0af34e
- 05 R 214020346187b84a689e617d3d3a70c287584aceda35716b2b899fff9a17bb30
- 06 L 604702591762120c021c8f166c4b9c68d1c7edcfb027087826ba871710c31bc8
- 07 L c47a2e3ce0258999deeef753782fd0dbc2082fa3783552c2665ff5aa2b394dd5
- 08 R a6c147aed52c056e9b8c3bd6c21492b1b65044dc290cf7b552e88cd3ff1a2395
- 09 L 296d722066d43713eaa95ccdb8ba1ea14cc698e3334da805598b35c9ee763fe9
- root 1e3acd4a816daa42070b6736460ff7bb3e8b173f09095357a48e06b49569b944