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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 - LA UNION 2ND ED Award a ₱2.5M contract to E. E. MADAYAG CONSTRUCTIONNational agencies

Transaction hash:
8b0311a14b622862de2dd67ff618661b2f632364447721c231a25eca6d803319
Status:
Included and unchanged
Block:
#3,238 2,775 blocks after it
Position in block:
Transaction 150 of 278
Award day:
Nov 6, 2017 (9 yrs 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 #3,238 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 2017 DepEd BEFF", 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 - LA UNION 2ND ED awarded it to E. E. MADAYAG CONSTRUCTION on 2017-11-06.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 17AF0102: 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 2018-02-25). 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   8b0311a14b…803319now      …
  2. 2. Block Merkle root changed
    stored   bb74345efa…8e88afnow      …
  3. 3. Block #3238 hash changed
    stored   67d3d13bf9…03a517now      …
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 277 records. Each step hashes the current value together with the sibling shown.

  1. leaf  8b0311a14b622862de2dd67ff618661b2f632364447721c231a25eca6d803319
  2. 01 R 8fa00dd61a2eedc6cad7442cf9f7b545c67eefd511ba84d662828df727853281
  3. 02 L 8df413e830b778c3d845a9395d6068573fff944af4d65df7519c122eca83cdf6
  4. 03 L f62bbc1dba36cfcbbc34275ce39082c91a23c1dad84e8dea581d1334acffc6b2
  5. 04 R 06810ece2a6fe0a60b993ff65cf6c8beab8a1ce9e6d12825222de19e38ec092a
  6. 05 L 8f55bd203eaf47354d1285c4084ff8a6698b6276504721fdb3812deb55c112aa
  7. 06 R d70f72bd3b0c5c71b64dfa11dc8c8a161640df98871f0795a0d2ef3300d1018d
  8. 07 R ff061a5f1c2d2fc91d6d26a7418644a2e8ad352590db5020d3531d9e47dd11af
  9. 08 L 4e362f3ef7d94bda94af00392787604c05034872c05cbe5ecf43f0454d68510e
  10. 09 R 0f01bb82030d6d270f634e1156389c7dc19c3a3bf96e60d5a9c225f87a869201
  11. root  bb74345efa6835f1780f104af292f0fa5f72fa57ef6aaf1cade31e916f8e88af