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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 - COMPOSTELA VALLEY Award a ₱9.7M contract to DOUBLE J CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:
c87aa69096b3c2cbae2e990aba65c5d6de5ffde90cb5fa569528cb6f9d16d2ab
Status:
Included and unchanged
Block:
#3,885 2,128 blocks after it
Position in block:
Transaction 265 of 337
Award day:
Sep 23, 2019 (7 yrs 1 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 #3,885 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 2019 LP", i.e. the FY2019 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 - COMPOSTELA VALLEY awarded it to DOUBLE J CONSTRUCTION AND SUPPLY on 2019-09-23.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 19LA0412: 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 2020-01-10). 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   c87aa69096…16d2abnow      …
  2. 2. Block Merkle root changed
    stored   66244c1192…8e5d74now      …
  3. 3. Block #3885 hash changed
    stored   5eabc7c3ea…383d86now      …
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 336 records. Each step hashes the current value together with the sibling shown.

  1. leaf  c87aa69096b3c2cbae2e990aba65c5d6de5ffde90cb5fa569528cb6f9d16d2ab
  2. 01 L c749610275c6e533d1a99236917f5c76a3fdf3e7a09f3c9a6b665fb8dd74f673
  3. 02 R 799c2b93a3a0e1f94386217bfdff34fcb5affa28489753b175a618f08cb445eb
  4. 03 R 4a1f0a36cf776928384df15c07ffd95f4d5772d3e0ad8c46c1b17ea770e815b9
  5. 04 L d1be2c13bee5bb388772760f81f62c95f77c8c4db7f31b14c15a5a54174c44bc
  6. 05 R 13d98a801475dc696f53ed49e5eabeca9b3c9aeaa13b8bee4e9b050ce03179bc
  7. 06 R ec7893434f59d0a1cb01af658bcda6642bb5eabbd5e48546b82e23f11f1624ce
  8. 07 R 5f0e359ee98f80ce43917d874fe4e1a54e15e3868be1d801e894268b552d2955
  9. 08 R ee3516bf7c4229a2c0fe1da758c3d4aaae04799939815ae3da86e38e93c17160
  10. 09 L 1f279e05cc89226fecbe303f7cd19ccf0991fe198804a36b92e48604715fa375
  11. root  66244c1192520733180f14675f6f3396a0d67cc1fdff48fe1cb0d54ec08e5d74