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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 - CAMARINES NORTE ED Award a ₱4.2M contract to YSA CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:
270f5eaeaf6b1ec0b60f83431e8d44994b91053626aca6bb66ae56219ed597dc
Status:
Included and unchanged
Block:
#3,647 2,366 blocks after it
Position in block:
Transaction 18 of 146
Award day:
Jan 11, 2019 (7 yrs 10 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 #3,647 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 2018 DepEd BEFF", 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 - CAMARINES NORTE ED awarded it to YSA CONSTRUCTION AND SUPPLY on 2019-01-11.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18FC0231: 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 2020-01-22). 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   270f5eaeaf…d597dcnow      …
  2. 2. Block Merkle root changed
    stored   7aed04fe9b…781556now      …
  3. 3. Block #3647 hash changed
    stored   2f4ae071ad…71423fnow      …
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 145 records. Each step hashes the current value together with the sibling shown.

  1. leaf  270f5eaeaf6b1ec0b60f83431e8d44994b91053626aca6bb66ae56219ed597dc
  2. 01 R 27ff6b5cf5899baaffa5942eb10d0817c13e4d59ec55540466209be37f041daf
  3. 02 L 37b04f44af1e706e71ebf9abc15c5d310426aa6277d5f5f88586b010c28cdfe3
  4. 03 R 87c1fee9ce09093a359b9d1ff6582a07e564f32b281ecea3cfc169266a40a635
  5. 04 R f3fd0bf4a0f50955b05705add4eaa8bbf03c2c4ebbae0987a5ff8ee0d1434c8e
  6. 05 L b9fca36ba4fb6d931dde47960ff6f9a28a4881506c3b42e9f0aabee1e9e7e590
  7. 06 R a78bce190b8aef07ce8fe26cba38fbd0e8fd15e5204b87052024daa6ba42d104
  8. 07 R 686350e47eae8e0e445b6cce0912d13f8c2857e91be3a0e7aa7413ede1814244
  9. 08 R ff9ac137b2041786d9b6b63d44b93e553c81f34b8346578e7d712738d4c6ca7f
  10. root  7aed04fe9bc5d04f55a79b1bd111ce26bb509d39617d0706d944de1322781556