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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 - ZAMBOANGA CITY DEO Award a ₱2.4M contract to ESSA BUILDERSNational agencies

Transaction hash:
e239c8a6c0a49b9c4ba6fc8526d081c0069b97c156c7489fe6e096876d1872f1
Status:
Included and unchanged
Block:
#4,508 1,505 blocks after it
Position in block:
Transaction 193 of 219
Award day:
Jul 15, 2021 (5 yrs 3 mo ago)
Value:
₱2,369,314.19
Project:
CONSTRUCTION PROJ

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 #4,508 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 2021 LP", i.e. the FY2021 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 - ZAMBOANGA CITY DEO awarded it to ESSA BUILDERS on 2021-07-15.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21JA0051: 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 2021-11-23). 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   e239c8a6c0…1872f1now      …
  2. 2. Block Merkle root changed
    stored   78c9f53dd7…ec4ed2now      …
  3. 3. Block #4508 hash changed
    stored   874ec380b5…1fc7a2now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 218 records. Each step hashes the current value together with the sibling shown.

  1. leaf  e239c8a6c0a49b9c4ba6fc8526d081c0069b97c156c7489fe6e096876d1872f1
  2. 01 L e055c89940f6e197014fd2186c5dd4e0dd4c671e584094bd767cb6c0afcf85d6
  3. 02 R 2f0ad853afc6fde43757e39b742bde0ec70d1f9fab6fa59dba0009ff9447abdd
  4. 03 R d64ee0b42f0c44a5834dedbffd2ec8f761497f8686e988c6e122cda58ac8469e
  5. 04 R fedf4251db3613c00f4c72908a56a100639e4b74060bb8ce000e06cecc2a74e0
  6. 05 R b03cb601de51d96fee278e591ad95f4f4cbb2362f692e72d7f173236e572a481
  7. 06 R c18c40eb9f1ac1b9fb4629d4ba6f5601b4d605e4b59307c3eeb01961f478061c
  8. 07 L 774cdac58c87ff753e7acf8206a955abd7667ec0484bb7a1a47a971d12932c2f
  9. 08 L 01153e4365236c7e9f6974300cc7a7108e840628dd3b366c40ea1a4d65f88069
  10. root  78c9f53dd7da95be83c72c39ba16d57b2444f65a8bc4557769c811d202ec4ed2