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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 - CENTRAL LUZON CAMPUS Award a ₱25.9M contract to LUCKY STAR CONSTRUCTION AND TRADINGNational agencies

Transaction hash:
a3f4d3397ab4ba72b4cd6d464f9501050a8debbb8865e8aa70c1be2d33b5778c
Status:
Included and unchanged
Block:
#1,824 4,189 blocks after it
Position in block:
Transaction 43 of 72
Award day:
Aug 6, 2013 (13 yrs 3 mo ago)
Value:
₱25,890,128.13
Project:
Construction of Academic Building II Phase I

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 #1,824 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 - CENTRAL LUZON CAMPUS awarded it to LUCKY STAR CONSTRUCTION AND TRADING on 2013-08-06.
    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   a3f4d3397a…b5778cnow      …
  2. 2. Block Merkle root changed
    stored   e2872f9407…81d1e8now      …
  3. 3. Block #1824 hash changed
    stored   9c15e2ea4b…3a84fbnow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 71 records. Each step hashes the current value together with the sibling shown.

  1. leaf  a3f4d3397ab4ba72b4cd6d464f9501050a8debbb8865e8aa70c1be2d33b5778c
  2. 01 L a10f13b1bc0dd38e64bd65434adedf1b5e611c1bb29c8053d48e353b23473c19
  3. 02 L 660fbeb9e29ad8e4cd2991dc226c37454c88c97af74756eafb5e75abbf3820ba
  4. 03 R 956bb696a5711d6ff9fa26c7f63cd373b508a423fe0f460b4285c1795eadebec
  5. 04 L 1290af99bfc062ca769d6abd200c4e6006884954476cddb44497687209d82212
  6. 05 R 55cbf4016b3dd5aa48c49d66cb163b3927ff89a2b56109cb691d6875bd184579
  7. 06 L 5338e7e219f64c44f6799138e0744825130b13299e53413f0a69fcf2e11e4849
  8. 07 R 6f72ffc2189b4d9e18f624e11aac0b57b760d4dd375d16d60e9418513d30e022
  9. root  e2872f94075340edb34cb379821f928e033b3b1872251f3161b087a90781d1e8