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

DEPARTMENT OF EDUCATION - DIVISION OF DAVAO ORIENTAL Award a ₱4.0M contract to SILLIMAN AVENUE CONSTRUCTION & SUPPLYNational agencies

Transaction hash:
bc9905ded3ddce6f4b8eaae4aef67ab13529e38d9503ee3c4d6fa5015a0441ae
Status:
Included and unchanged
Block:
#2,335 3,678 blocks after it
Position in block:
Transaction 110 of 146
Award day:
Feb 25, 2015 (11 yrs 8 mo ago)
Value:
₱3,958,987.07
Project:
CW-Division Office Repair/Rehab

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 #2,335 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)
    DEPARTMENT OF EDUCATION - DIVISION OF DAVAO ORIENTAL awarded it to SILLIMAN AVENUE CONSTRUCTION & SUPPLY on 2015-02-25.
    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   bc9905ded3…0441aenow      …
  2. 2. Block Merkle root changed
    stored   5ed4445e37…38ebbdnow      …
  3. 3. Block #2335 hash changed
    stored   525093a65b…caefb9now      …
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 145 records. Each step hashes the current value together with the sibling shown.

  1. leaf  bc9905ded3ddce6f4b8eaae4aef67ab13529e38d9503ee3c4d6fa5015a0441ae
  2. 01 R bea2b6cd9f4665522a2e553d31b09e9d95a604974c49723e48cf057372dba3ae
  3. 02 L 9a82c58035fb425675d75e934403042530d025ad69bbf180609e58b2c1954de0
  4. 03 L d5a6a384ee810328672f4bc63b15e7d99630cf3c1d285ddffa3e74a6cef7f6cc
  5. 04 L 9fed89e3399abd00657ca187d6afc127a02cd2e620fc957d772369cd0e64153b
  6. 05 R 94a9a293f9a801352746d7c9ad69acd0c6c2f19fed55ff8dbc4f562d0bf65f2c
  7. 06 L e37178fd42489b250deb10f6c113b68f8510c078f1abd225b22fa10b91439cf8
  8. 07 L 5f48d985b91d4ac9fcd02c2fdc8f2721dda5e2d3d812e7e51b0e4759150583ea
  9. 08 R c619d87a4d1729b17a371df6fff8f5e73f95af2457b78fab69cf8cfe44e35435
  10. root  5ed4445e373668130053f07f681db0c3c716322bca373be75b5c5cf01138ebbd