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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 - EASTERN SAMAR DEO Award a ₱2.9M contract to TUBIGAN BUILDERSNational agencies

Transaction hash:
31dc4e162a72e9079ca29a49fd1d394585cf225cea3d2e74f03303e143aa4e33
Status:
Included and unchanged
Block:
#4,349 1,664 blocks after it
Position in block:
Transaction 84 of 460
Award day:
Jan 29, 2021 (5 yrs 9 mo ago)
Value:
₱2,888,011.91
Project:
21IB0036 - Rehabilitation/Major Repair of Permanen

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 #4,349 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 OO-1", 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 - EASTERN SAMAR DEO awarded it to TUBIGAN BUILDERS on 2021-01-29.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21IB0036: 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 2021-05-24). 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   31dc4e162a…aa4e33now      …
  2. 2. Block Merkle root changed
    stored   1e3acd4a81…69b944now      …
  3. 3. Block #4349 hash changed
    stored   ce5bdf83ed…c4ae8enow      …
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 459 records. Each step hashes the current value together with the sibling shown.

  1. leaf  31dc4e162a72e9079ca29a49fd1d394585cf225cea3d2e74f03303e143aa4e33
  2. 01 R 32b6ac560313c17c8b964a457f77e80d628ae2e949f168e1f574bcc2b17b9d80
  3. 02 R 968fecd454867d48e7bff34cfa2e1c14830ae150544c1cc3a960a2b5d4ff205d
  4. 03 L eefccc017ee48d2d2650779689c6d016a74e9940992a9a02a0e8492285ad79a7
  5. 04 R 15178f2f663c663d8aa4fbe82788d5249e24c0bc60b0b5a138cd0087322df013
  6. 05 L 41d39f6d967817f5592bbd1c46533be7aedab85c92c97c737bc7cccb7bb08d5b
  7. 06 R 3abd0524cbdd1a2769e951c7e4f3fcbb4b71ae437453bd44c488b8186a67ceb2
  8. 07 L 8a4c69eeef5b9d6dc1ff25a9c8f96ca2d63145e325c9340d79320dc60df1d9ec
  9. 08 R 3e9587c338c69528463e65068fef3fea0ca53810de294079bf7489dbf790242a
  10. 09 R 10e75bb5d7c7fad43aacdb8f1b6292fd146c99d33a382c3062d168e6c4351aed
  11. root  1e3acd4a816daa42070b6736460ff7bb3e8b173f09095357a48e06b49569b944