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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 - CAGAYAN 1ST DEO Award a ₱319.0K contract to FOUR M BUILDERSNational agencies

Transaction hash:
e9a4e2967c4820914ebaf28c29737c2ea66c06a2a14aca525dcb8189ea30a0e7
Status:
Included and unchanged
Block:
#4,660 1,353 blocks after it
Position in block:
Transaction 214 of 237
Award day:
Dec 15, 2021 (4 yrs 11 mo ago)
Value:
₱319,010.48
Project:
21BB0187 - Construction of School Buildings – Cons

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 #4,660 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 - GAA 2021 DepEd BEFF", 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 - CAGAYAN 1ST DEO awarded it to FOUR M BUILDERS on 2021-12-15.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21BB0187: 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 2022-03-14). 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   e9a4e2967c…30a0e7now      …
  2. 2. Block Merkle root changed
    stored   2d9b908c03…7b879enow      …
  3. 3. Block #4660 hash changed
    stored   13304d04ab…d9078dnow      …
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 236 records. Each step hashes the current value together with the sibling shown.

  1. leaf  e9a4e2967c4820914ebaf28c29737c2ea66c06a2a14aca525dcb8189ea30a0e7
  2. 01 R eb87f925be51b5b5feea2bc6bc248ad3c3760b97b9c2d48dfd46b40d38c5d38c
  3. 02 L 7ccd1f3538ec1cd06b77b48977a1c809401c251014d722c8cb49b514d24da01e
  4. 03 L 76e9293370412ded98c68ca808d1c5bc0d16da7a78acda456678edc83f912768
  5. 04 R 82103a07f280c9a7d9e5e69280141b4f54db8fdd4e8b6a19bbf33f341f6c22dd
  6. 05 L 4899764a46b49240839b8ee5b229c9e34a57c5a1c4c874b46398912b32819942
  7. 06 R 0b367a60f03a2fde604ff528d6fd7f783307bf9cc753c00c0fc00f4a92c2f1e7
  8. 07 L b729e9af4d48267ce7d539ef5cdb7438c5c46cd3f16444a93a0798defb957b6b
  9. 08 L 0f975eeb096f48b72eb7611b2ae443d9a4bfa3eec31049ed3e9b6f5319d4db04
  10. root  2d9b908c03aae0faef1f1d296b6a2f8f0a80d44aa131065f1613cd05e17b879e