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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 - ILOCOS NORTE 1ST D Award a ₱813.2K contract to ALTHEA CONSTRUCTIONNational agencies

Transaction hash:
4e2736deb0732db8cecd04b1d79e10bd7026dd40d530c345afcd41d4a154d9d4
Status:
Included and unchanged
Block:
#3,117 2,896 blocks after it
Position in block:
Transaction 112 of 333
Award day:
Jun 28, 2017 (9 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 #3,117 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 2017 LFP", i.e. the FY2017 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 - ILOCOS NORTE 1ST D awarded it to ALTHEA CONSTRUCTION on 2017-06-28.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 17AA0347: 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 2017-08-07). 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   4e2736deb0…54d9d4now      …
  2. 2. Block Merkle root changed
    stored   3a37336c67…82e540now      …
  3. 3. Block #3117 hash changed
    stored   ffef772d75…67faa3now      …
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 332 records. Each step hashes the current value together with the sibling shown.

  1. leaf  4e2736deb0732db8cecd04b1d79e10bd7026dd40d530c345afcd41d4a154d9d4
  2. 01 R 4e3df3fbcaaa05301d87d2860a27f1c69c8852736ef19c393b10f7760de6353e
  3. 02 R ecaaa4c8ffa66e6f8134cef5c340ee4aed1f6ec7c127880aeb3526d24788de1b
  4. 03 R 095ae06100e8820e86ff375e83c11a44d7e1f1638a77f1bcae22649bb95ddab7
  5. 04 R 2483916dccb364314411b656838958eb58afffd8588b91ea91e19c5256903c58
  6. 05 L e57afc050475307787292ffc3766641c1d4093af3bb15c0afc02b664d9ad21be
  7. 06 L b97189cbf3d6dec50bbe820ee4505e6ad2b68b1f610031821dd4d7a30c363168
  8. 07 L b374150599c857d0112ff1b9e1c743d1a08122b804962b6e402a06c7c181f73b
  9. 08 R c3eeb17f1c28e689f1edfc6a139171090d7c3a590098613f3dca26c375c4b657
  10. 09 R f8de764f65955651366870fb7f45a6db295a5c6e4a7f90442688c75444a65ba2
  11. root  3a37336c6757ed8a136a749756b430c8ca6f44d63f2f0ee45c1c72a97582e540