Skip to content
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 - MAIN CAMPUS Award a ₱33.5M contract to R.B. SORIANO CONSTRUCTIONNational agencies

Transaction hash:
8e436f4e5f8e30b2b3d2a898f5341c8e14add43339248a8de5e31b3b1d0536e2
Status:
Included and unchanged
Block:
#4,602 1,411 blocks after it
Position in block:
Transaction 168 of 290
Award day:
Oct 18, 2021 (5 yrs ago)
Value:
₱33,509,621.87
Project:
Rehabilitation of School Buildings

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 #4,602 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 - MAIN CAMPUS awarded it to R.B. SORIANO CONSTRUCTION on 2021-10-18.
    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   8e436f4e5f…0536e2now      …
  2. 2. Block Merkle root changed
    stored   90c20069a1…a8ef11now      …
  3. 3. Block #4602 hash changed
    stored   f059031ac8…5f95d0now      …
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 289 records. Each step hashes the current value together with the sibling shown.

  1. leaf  8e436f4e5f8e30b2b3d2a898f5341c8e14add43339248a8de5e31b3b1d0536e2
  2. 01 R 8f73fdfc4ce1864bcae373e5c5e91390c0404199e79ebccded6ebb2d377d9ecb
  3. 02 R 9ffc97d0369bc982f3dfb451449d93f4a2add53c419c1e69e729ca754e36fda5
  4. 03 R 018405cb93b9ed15d4027755b83bd2c9824de0ee2a318467557494ca486d8dc9
  5. 04 L 714bb2be8845683ed1bc728625bd2a932b82f5a23d806d73831d8e07332eb3ea
  6. 05 R 3bb2c2c60b7ae2e9b42ac10ce949b9af6ca315a321c730a4491cedc88102cb3f
  7. 06 L e79f9ffe4c831c92d827a76aa354a903d95f2c976d7fd021967c6e3dcf574d06
  8. 07 R d610eff1251ee447c25a9c8399045bef301a2b841d5ef4e9a11d5e7de2f68d89
  9. 08 L 2a8ddab75b294b7a3cd3ed6588e1a119bc5ab0872c378e258a90cd4d3a2ef3e5
  10. 09 R 10183dfe3886be99bb81d719f447986bca4baae81168ed8550c3b1350a9a53c3
  11. root  90c20069a13ba8a68ce4824fa00502281c0dda43c9448b69a57c1deef5a8ef11