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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 - NORTHERN SAMAR 1ST Award a ₱3.7M contract to CTC CONSTRUCTION AND SUPPLIESNational agencies

Transaction hash:
312147dccfcdeb7777b776aa8c6bd849ff13de0c58a9621190914d55df55ef1f
Status:
Included and unchanged
Block:
#3,434 2,579 blocks after it
Position in block:
Transaction 63 of 261
Award day:
May 31, 2018 (8 yrs 5 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 #3,434 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 2018 OO-1", i.e. the FY2018 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 - NORTHERN SAMAR 1ST awarded it to CTC CONSTRUCTION AND SUPPLIES on 2018-05-31.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18IH0007: 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 2018-09-30). 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   312147dccf…55ef1fnow      …
  2. 2. Block Merkle root changed
    stored   59ccf1d692…f30e9bnow      …
  3. 3. Block #3434 hash changed
    stored   0f6a5dbf6f…8eba18now      …
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 260 records. Each step hashes the current value together with the sibling shown.

  1. leaf  312147dccfcdeb7777b776aa8c6bd849ff13de0c58a9621190914d55df55ef1f
  2. 01 L 3009bb9d8bee2f02eb592fc604fd7cf0062d4abe71ff9841ea18303b0e758e6c
  3. 02 L 27dd9ba41e6f13dfe5125934b97d50fe58de703660752c39376eaf4e4d5600f4
  4. 03 L 6cfedd9ea4b2332702a48d240cbc4e716d24cc79b8a19efd2f8b90f6ae262e44
  5. 04 L aab0f14d1a4960cda73e1d18aee5b65fd72b07c3b4db7872095175b48aa9d515
  6. 05 L a00588cd7a075a1d4bda08fe7163d0de64a72ba8d6f57963c59e2f545003217a
  7. 06 L 5f499c80abe3475792a0e3c71206a89d5c829ee51332acb694332b7a428ad4eb
  8. 07 R e16802dcfcf120408aa309ea242ad7ef930ddd57811c5026f50c003b6b524417
  9. 08 R 68ab493be734352ffbebc66d3f175fb48bb52cfbc2aae219c910e590f6d19882
  10. 09 R 053fd8f2a95314b17f1fbf28a4c2349570f69f0127296ed30136faf46ffba8a5
  11. root  59ccf1d69227fef78e8a0cc3dc6775e3d747cf3f6bda2ba1ccc06e46a2f30e9b