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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 - UPPER KALINGA DEO Award a ₱4.8M contract to TAUNGAY CONSTRUCTIONNational agencies

Transaction hash:
28aee3af873b307a42dfb99e5ced09427e10dfc46347f8cb3cbe55ccb38ab08b
Status:
Included and unchanged
Block:
#4,499 1,514 blocks after it
Position in block:
Transaction 43 of 278
Award day:
Jul 5, 2021 (5 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 #4,499 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 2021 LP", i.e. the FY2021 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 - UPPER KALINGA DEO awarded it to TAUNGAY CONSTRUCTION on 2021-07-05.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21PK0041: 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 2022-12-05). 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   28aee3af87…8ab08bnow      …
  2. 2. Block Merkle root changed
    stored   6181dacd68…3ebe56now      …
  3. 3. Block #4499 hash changed
    stored   86c8054a4e…9cb8a5now      …
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 277 records. Each step hashes the current value together with the sibling shown.

  1. leaf  28aee3af873b307a42dfb99e5ced09427e10dfc46347f8cb3cbe55ccb38ab08b
  2. 01 L 2876035cc40cb06d70afdba09ae090a13146204f30e238015a0400e3627afcad
  3. 02 L 9d0da8234041774e0f8e21717ecf6152f34a77943845d2b6a2dd4636ddcb0dec
  4. 03 R 1f9801162cea22f809bdda4a27ad8a303020cefc9cbabe8bfa48492a6116b7d3
  5. 04 L 643ac3bf5432a1d3181e61d97316d28f14085480a03aa202b55f75364c90513b
  6. 05 R 310654880a4467de7d177f51d5fb3afeb6e2527a49d8c298a52461802eb89151
  7. 06 L d00f9cc634783d7c3360257b97bf59d736dafb17bb9d5dc17cb9521bcf269369
  8. 07 R 7316b384b16a8d09fe07c5d0dfd941acfe50267c6ba33869500f4d30dc372456
  9. 08 R a6809e4fb18425c9b489f26b246bf01d465a2739fc567237afc173f2d05d9c81
  10. 09 R 912cfed14e12efb54ecf8b6ece3dae196bd67dc4275cfef6d6ded3e07b587e4e
  11. root  6181dacd680c62de83fb252809f2bd7ef8efeb91fe650a21a54589a4c53ebe56