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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 - BUKIDNON 1ST DEO Award a ₱1.9M contract to MAMAWAG CONSTRUCTIONNational agencies

Transaction hash:
aab61fa0aaeab104e589fef0dd7bba8ba1eb5bb5fed3660f2ad237d4f10baa29
Status:
Included and unchanged
Block:
#3,807 2,206 blocks after it
Position in block:
Transaction 259 of 371
Award day:
Jul 2, 2019 (7 yrs 4 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 #3,807 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 2019 LP", i.e. the FY2019 GAA. 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 - BUKIDNON 1ST DEO awarded it to MAMAWAG CONSTRUCTION on 2019-07-02.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 19KA0131: 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 2019-11-29). 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   aab61fa0aa…0baa29now      …
  2. 2. Block Merkle root changed
    stored   8a439bcfba…76bd9fnow      …
  3. 3. Block #3807 hash changed
    stored   7730624041…ca4d57now      …
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 370 records. Each step hashes the current value together with the sibling shown.

  1. leaf  aab61fa0aaeab104e589fef0dd7bba8ba1eb5bb5fed3660f2ad237d4f10baa29
  2. 01 L aa89d551e388c16251e20cea58b9c6d362cab3a4e811861a4cb30256dcd72145
  3. 02 L dad95cf4b7d0303e8439980aca244146c4e3aa2dd95382d9cdbb672587c7931c
  4. 03 R 3325367538c46ed3d99ec6649a12ca6271b5884cd8307638ebd7c30d8ae6e55a
  5. 04 R 812371f656b8c837d2daaf2a6e2fbe85463f07f021dab38e367ed82732fbd193
  6. 05 R f09e8e4261d3aa32c3f476989a824ed39a05c2aef906904005a62c7b294219fb
  7. 06 R eee670a102feb38bbf72f935d0804a298c5d864a7496d9c330905b9597024d78
  8. 07 R 2e0138d5becfcd02628763e27e6e3a1751b631c8923c7ae9eaa35d265ec3767f
  9. 08 R 3f876bcd6270b652157ddb15816f571f1b8dd98e6a924150f18a0b25f9f24eb5
  10. 09 L 74e4efd3ad1582debc2e8e645b867cbc8572f537e1c3a037ccd66ce24c62c590
  11. root  8a439bcfbaebd3569895f5564526c6ae71e7adfa1489fc6da73fc29ae776bd9f