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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

PHILIPPINE SCIENCE HIGH SCHOOL SYSTEM - O.E.D. Award a ₱169.8K contract to YANI CONSTRUCTIONNational agencies

Transaction hash:
61391ac276001e84c8bbd9cc39f6a67d1bc804ee02b727ff8ebc2fafcf778d30
Status:
Included and unchanged
Block:
#3,543 2,470 blocks after it
Position in block:
Transaction 74 of 215
Award day:
Sep 25, 2018 (8 yrs 1 mo ago)
Value:
₱169,800.00
Project:
construction projects

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 #3,543 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)
    The award does not say which budget line pays for it.
    Not published
  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)
    PHILIPPINE SCIENCE HIGH SCHOOL SYSTEM - O.E.D. awarded it to YANI CONSTRUCTION on 2018-09-25.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    No matching DPWH contract record (only DPWH contracts are listed with progress).
    Not published
  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)
    No completion certificate published.
    Not published
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

1 of 8 documents found, 0 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   61391ac276…778d30now      …
  2. 2. Block Merkle root changed
    stored   de7e196cdd…c91eb7now      …
  3. 3. Block #3543 hash changed
    stored   bf915cc04e…f7c112now      …
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 214 records. Each step hashes the current value together with the sibling shown.

  1. leaf  61391ac276001e84c8bbd9cc39f6a67d1bc804ee02b727ff8ebc2fafcf778d30
  2. 01 R 61549c0a1292765eed3eec6a534c10ef67456bddbb2357b5eac14e89f375815e
  3. 02 L 25ddc709097418528d7952aff00ea1cd25a37bbca2d77c6a183928862152a048
  4. 03 R 7453b3b0805852e5ddeb82061801ce57bc1203b72cc1237b3b3c00459352e54f
  5. 04 L ce016ac4f7c7580d59aa4ea2ab1045a406936e6ff20b8d8334ce2c03974eb8a7
  6. 05 R ffbc20d7eb98cfbe9c3b74dff03e3085e713575aa7a12b5828bfa6994cd62904
  7. 06 R 7de1655fa6de0e1e47be2dcb70a4abbb8eae88c9858364a1cd2e5f76cbf84315
  8. 07 L 73a2b0b7814b9da2c3e695fd83a1b0a02779cf3aa8e33d0709e86f4018b7f224
  9. 08 R ee6b8d73ab1de290ee378a14725f36c50ce7f936b84f34d1211b97df38c0c0cf
  10. root  de7e196cdd12b23935c2fc890b7629516643f99c9a7ab910cfe986309bc91eb7