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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 ₱974.8K contract to DOUBLE M CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:
f8adaadd6ebdb13e54eb9be01b4ca61ec96be4faf8c772b1e0325a1757412a1c
Status:
Included and unchanged
Block:
#4,203 1,810 blocks after it
Position in block:
Transaction 316 of 325
Award day:
Aug 25, 2020 (6 yrs 2 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 #4,203 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 2020 LP", i.e. the FY2020 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 DOUBLE M CONSTRUCTION AND SUPPLY on 2020-08-25.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 20AA0289: 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 2020-11-12). 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   f8adaadd6e…412a1cnow      …
  2. 2. Block Merkle root changed
    stored   ffde5f1ce9…313f20now      …
  3. 3. Block #4203 hash changed
    stored   b8d0659a75…9c234enow      …
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 324 records. Each step hashes the current value together with the sibling shown.

  1. leaf  f8adaadd6ebdb13e54eb9be01b4ca61ec96be4faf8c772b1e0325a1757412a1c
  2. 01 R f9ed49eb22b528ba97859e948def554177072f07d00217fa9e24178db155989b
  3. 02 R 785b1d3f0f3fe759d259c9dd3ebd05cf4063f0c0cf0be3fe91e412d6e9a0a7a1
  4. 03 L 33981feb25a75dfc09441877c55835ac5880ecf7dc29f4194ef327f0054cdad1
  5. 04 L 028d8f1ccb101e58ea0b070d5970397f5cfbe913e9696a0b014466b0eafd91fe
  6. 05 L 46a865fabc0264af9e1499bc92d97c4cf0d32285cb86f26fc46bb77f7eb799e3
  7. 06 L d113c7a349d53a116f6b1fed5d328fde7d0114a7cbf005b911e12933e5a34d6a
  8. 07 R e6d9c28969c80898345ad8bcad33ddf66d37f33ef2c2db68fd9efe86332b6ee2
  9. 08 R 745bea4702299c42372a59d167e52f2d10118eb9dbb79b769218ee77b819c0a8
  10. 09 L 6bc8669365260a7df8ba8c35bd94fa9897426f640c08e9822650504282603c69
  11. root  ffde5f1ce9fc9932103b9c0b0ac32571249a7826627bd80de20ee88925313f20