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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 - REGION X Award a ₱2.0M contract to CTML CONSTRUCTIONNational agencies

Transaction hash:
40d6471aa0ca6cccb348b667bdb2e2bc42bbd01db9162ce42e9062f0a303b1b9
Status:
Included and unchanged
Block:
#4,598 1,415 blocks after it
Position in block:
Transaction 44 of 213
Award day:
Oct 14, 2021 (5 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 #4,598 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 - REGION X awarded it to CTML CONSTRUCTION on 2021-10-14.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21K00340: 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 2022-01-19). 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   40d6471aa0…03b1b9now      …
  2. 2. Block Merkle root changed
    stored   b12ea5258b…c0cbb6now      …
  3. 3. Block #4598 hash changed
    stored   af562b08e9…f6b9a4now      …
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 212 records. Each step hashes the current value together with the sibling shown.

  1. leaf  40d6471aa0ca6cccb348b667bdb2e2bc42bbd01db9162ce42e9062f0a303b1b9
  2. 01 R 414a4767003436b370f2cd6b1fe8aaa9764fac254708e34579f3175ef4436a0f
  3. 02 R 401d8d3a236efb8a651283f728581bc60fe102d50a56be796fa8ead6a0f677c4
  4. 03 L 729dfbd713a30cda938617bc4f5f1419068d447ba738b9f3767ea5013cacd8ca
  5. 04 L 1b9783ed6e7ce76017c9bdd518476c2cfd37555c6576f9f1b61a02e25c52d528
  6. 05 R 90abe51aaf4fe57ee605cb4a57771544349ecc6baa0debd85517ed2834f91893
  7. 06 L 47ea8cb83d1f7a4d9ce427c5b22f2382d6cd7827a9859c6df8a92adb2d91c25b
  8. 07 R db42ae319328427df3a744f6ac9c5944f09217f83aff137157f481518b62f019
  9. 08 R ced8bac93d47932ab861c69f35a92a980acdea61c2850d3a9c3ab53537a5c10c
  10. root  b12ea5258bd537d0db86a7235f0c9a8043699095aacf6e3ad31cfb5817c0cbb6