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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 - SDS 2ND DEO Award a ₱2.9M contract to TWINA BUILDERS AND SUPPLYNational agencies

Transaction hash:
2fb1faae2e93c4e33fc21ce20285eb232c07bd279591c2621b66a7de832f7f09
Status:
Included and unchanged
Block:
#2,506 3,507 blocks after it
Position in block:
Transaction 36 of 177
Award day:
Sep 2, 2015 (11 yrs 2 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 #2,506 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)
    The award does not say which budget line pays for it.
    Not published
  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 - SDS 2ND DEO awarded it to TWINA BUILDERS AND SUPPLY on 2015-09-02.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    No matching DPWH contract record (only DPWH contracts are listed with progress).
    Not published
  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)
    No completion certificate published.
    Not published
  8. 8. Audit
    COA 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

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   2fb1faae2e…2f7f09now      …
  2. 2. Block Merkle root changed
    stored   d803e62965…f07e00now      …
  3. 3. Block #2506 hash changed
    stored   3b73fc33fe…27dcfdnow      …
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 176 records. Each step hashes the current value together with the sibling shown.

  1. leaf  2fb1faae2e93c4e33fc21ce20285eb232c07bd279591c2621b66a7de832f7f09
  2. 01 R 2fb42163e8821c42c284ea33c40d5f7965bc1bc1bd155efc3c86bc9ed730763f
  3. 02 R cf05ebad7ed83103838d3f11d9f7f381eb4f6bec5e86383f93baf3b7fdb2dd81
  4. 03 L f124fa08c5a2cee92c8115f9ceaf88fba9b215415498bca7a98d556fd4e38257
  5. 04 R f425cd7f1236ed2bb8a9894aff86c5aacccbe8ae891e86600c43c10c7584a6e0
  6. 05 R add0a0517a61bc2e27afa758b266d5ddb223fdd0a17d2be3f4d33975d617369b
  7. 06 L eaac5ee8cd418e7beace45264374e71f084ce741e50b6c2d6b4f16b2ce279090
  8. 07 R 1379573b77d36dc342bfcf7c1c98f70215afbd22e38f191bbb97633cd91160a3
  9. 08 R 1700751d159c993f355486619a5ed6cbacca96fa55891c77d5b3d46fae139ffd
  10. root  d803e62965ce2aed211549a1610922029c86277271cfeb883f18420eadf07e00