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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 SUR 2ND DEO Award a ₱4.9M contract to M.A. TEJADA CONSTRUCTIONNational agencies

Transaction hash:
cd91c30f64ef4d5844525ea6d36847e846b17806f35398c3a02780105e3c3417
Status:
Included and unchanged
Block:
#3,885 2,128 blocks after it
Position in block:
Transaction 271 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 "Outside Infra - GAA 2019 DepEd BEFF", 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 - ILOCOS SUR 2ND DEO awarded it to M.A. TEJADA CONSTRUCTION on 2019-09-23.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 19AD0112: 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 2020-07-27). 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   cd91c30f64…3c3417now      …
  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  cd91c30f64ef4d5844525ea6d36847e846b17806f35398c3a02780105e3c3417
  2. 01 L ccf298b45b56a8e2aa4773064396a156287ed295e29d50bf71661922776360d0
  3. 02 L 0ce70583c0c30e09949a5e1a1d14f014c79a5e5d41e4a84b708c20c8c12bd736
  4. 03 L 6d65d9cd8d21a5a9582548e2cc85c1e41d99c68fff96100cf91f72cc9e5a372f
  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