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 - REGION II Award a ₱56.0M contract to SHARYSU BUILDERS & MARKETINGNational agencies

Transaction hash:
ec67cc9efb8467b3edceac6510d81ce19a24ad8dd3d182d6acd4caad19d30ebf
Status:
Included and unchanged
Block:
#3,054 2,959 blocks after it
Position in block:
Transaction 171 of 182
Award day:
Apr 21, 2017 (9 yrs 6 mo ago)
Value:
₱55,969,000.00
Project:
Lot 1 Academic Building III

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 #3,054 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 - REGION II awarded it to SHARYSU BUILDERS & MARKETING on 2017-04-21.
    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   ec67cc9efb…d30ebfnow      …
  2. 2. Block Merkle root changed
    stored   0b922b7d7e…19d011now      …
  3. 3. Block #3054 hash changed
    stored   5424f10caa…961d00now      …
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 181 records. Each step hashes the current value together with the sibling shown.

  1. leaf  ec67cc9efb8467b3edceac6510d81ce19a24ad8dd3d182d6acd4caad19d30ebf
  2. 01 L ea2ad142a951e1222bb907489635a9d0331f088b0b79f5d99b31b17fc2715ced
  3. 02 L 8e8809ccfdd83b3b38a4cab36fcb9a97cb3a0641f0d16ab0ac22976ce8b87001
  4. 03 R bc5e2560fa815730d34e586a5b84ff3bdc68d800aa979cc6da872cd730fe99e5
  5. 04 L 7a60291cfb3eaa72dd7a20d62412dc15b85dc73a209c2b054aaf66d553e40cbe
  6. 05 R 5920bf02327c0e9396f47fcae298867007b07c4af707837c4ad10c64463afc52
  7. 06 L d13f86acf979ba7ffdb4390f54ee6fd6529d2947a12c87ed670b06c317459118
  8. 07 R 6c348125315a50d040781a82af6e0c19c1a5a1b6f2453c1f72117a26368af14a
  9. 08 L 797ab0367ca8a9a310586b3d1e58483aaaff35d25bc4a39390b137771f05d5c4
  10. root  0b922b7d7e5c4a90429ea5b0b8dc6fc4a045c464be5091f9cc0a89d4c219d011