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FY2026 GAA: ₱6.79T
PisoScan
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 - BATANGAS IV DEO Award a ₱1.9M contract to A. SANDOVAL CONSTRUCTION & SUPPLYNational agencies

Transaction hash:
83db554e9da4c6043eae5b2e8a5667b6b74d79a05c34a341a37f3d7e95f26287
Status:
Included and unchanged
Block:
#4,231 1,782 blocks after it
Position in block:
Transaction 81 of 184
Award day:
Sep 24, 2020 (6 yrs 1 mo ago)

Accountability

Bill Sec. 3 and 19
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 #4,231 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 "Outside Infra - Contingent Fund 2019 Extended". The exact UACS line is not given.
    Partly
  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 - BATANGAS IV DEO awarded it to A. SANDOVAL CONSTRUCTION & SUPPLY on 2020-09-24.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 19DD0556: Completed, 100% physical progress.
    Found
  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 2020-12-03). 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   83db554e9d…f26287now      …
  2. 2. Block Merkle root changed
    stored   35321fbf93…e4c8a9now      …
  3. 3. Block #4231 hash changed
    stored   7f03ed06dc…8818d9now      …
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 183 records. Each step hashes the current value together with the sibling shown.

  1. leaf  83db554e9da4c6043eae5b2e8a5667b6b74d79a05c34a341a37f3d7e95f26287
  2. 01 L 7ddc17a242b3a2eb241b65662942ee4debf679ee5c9814de7be8b827343ea48a
  3. 02 R 97de1f56e77853c27b3b475caa41271a5640b0bab21670c5fc12e08411a8ba61
  4. 03 R c5d7d223d3801e33e14af8761d1ac261b6be758f66a92ac45e8641eaecf1d952
  5. 04 R 1d4cabe5e55f35289730967af63b52dd8f18c5ab651c1912fdd9bbbeb6784f4d
  6. 05 L d2850b2b072de315313705fe02b8aa1be82cba67f8aef6546baaea83e036b34d
  7. 06 R 8f3f46456f133d23fb3a207073da1d2155915b25389d9b5d45b13d65830d56b1
  8. 07 L 9434cf1af1902e7f1c2750c51265886734d6ec24e06c8555432471a1259d4ab1
  9. 08 R 83c02ad225a1fc40c7186e967c373b748cdb0e4e0306a9770307a96c1e61b478
  10. root  35321fbf93a3c38d261fbc4d768b6f70d0e2ff74086cf8f66554106faee4c8a9