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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

API
Transaction action

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DINAGAT ISLANDS DI Award a ₱41.0M contract to R.F.VARQUEZ CONSTRUCTIONNational agencies

Transaction hash:
4a1cd4ffaff02823f657a28c7301be81cd3c5decc21c16cb72109bdaaf483f68
Status:
Included and unchanged
Block:
#3,998 2,015 blocks after it
Position in block:
Transaction 53 of 157
Award day:
Jan 17, 2020 (6 yrs 9 mo ago)
From:
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DINAGAT ISLANDS DI
To:
R.F.VARQUEZ CONSTRUCTION
Value:
₱41,039,411.28
Project:
20NE0035
Full record:
Open the award page

Accountability

Bill Sec. 3 and 19
Responsible agency:
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DINAGAT ISLANDS DI
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 #3,998 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5
  1. 1. Appropriation
    GAA line item · Sec. 5(b)
    DPWH lists the funding source as "Regular Infra - GAA 2020 OO-1", i.e. the FY2020 GAA. The exact UACS line is not given.
    Partly
    Open
  2. 2. Allotment release
    SARO / allotment · Sec. 5(c)(iii)
    Not published per project. DBM releases SAROs, but not linked to individual contracts.
    Not published
  3. 3. Cash allocation
    Notice of Cash Allocation · Sec. 5(c)(iv)
    Not published per project.
    Not published
  4. 4. Contract award
    Notice of Award (PhilGEPS) · Sec. 5(d)
    DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DINAGAT ISLANDS DI awarded it to R.F.VARQUEZ CONSTRUCTION on 2020-01-17.
    Found
    Open
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 20NE0035: Completed, 100% physical progress.
    Found
    Open
  6. 6. Payment
    Disbursement voucher · Sec. 5(c)(viii)
    Not published. No public source shows how much of this contract has been paid.
    Not published
  7. 7. Completion
    Certificate of completion · Sec. 5(d)
    DPWH marks the contract "Completed" (end 2021-06-04). The certificate itself is not published.
    Partly
  8. 8. Audit
    COA 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

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

  1. 1. Record fingerprint changed
    stored   4a1cd4ffaf…483f68now      …
  2. 2. Block Merkle root changed
    stored   6c2ddcc70f…ebc368now      …
  3. 3. Block #3998 hash changed
    stored   89b8a34aa5…a254f8now      …
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 156 records. Each step hashes the current value together with the sibling shown.

  1. leaf  4a1cd4ffaff02823f657a28c7301be81cd3c5decc21c16cb72109bdaaf483f68
  2. 01 L 49d56df1a4ecf6dde620188efcef3ebb0ba0f87807669a233bae55011959ea95
  3. 02 R 5346e030d3a318fc0e88f00a591a59cce02a11b4a640ee004394fa0ac1a77837
  4. 03 L 34b87e0e68822717abe94856474e1cb00824fcaac2ebc438a2e237f6ff48f4bc
  5. 04 R 3484574f5285a023d5f27ec240ab9cdbf34f29297d30950a2e3603daca211a81
  6. 05 L 150c88b8891465c955c163ffa728981a6a81a33e802328b609edc59550867753
  7. 06 L 410546694d81ad1837d151532c8161027fcaf817a979fa275c0ff694a9ea9f7c
  8. 07 R 3dabf44df75985ab098815661cd2a53b6517a7ef37e3d0964c6fcc913af23933
  9. 08 R 69c109a8b63d1fce2a8b24f82abbcb3330de972e493f2ba3cfedf6a7df0075c1
  10. root  6c2ddcc70f4f6b461842f51c22b50b123dcdf53c2b67073fd1fedd228febc368