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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

DEPARTMENT OF EDUCATION - DIVISION OF TARLAC Award a ₱657.2K contract to R.G. DIAZ BUILDERS & TRADINGNational agencies

Transaction hash:
da3af36af2ff6b89bd8d57d7d52e1d962450a0ef530ba679ac59962622c79145
Status:
Included and unchanged
Block:
#2,912 3,101 blocks after it
Position in block:
Transaction 216 of 262
Award day:
Nov 21, 2016 (9 yrs 11 mo ago)
Value:
₱657,231.02
Project:
Concepcion West CES

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 #2,912 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 TARLAC awarded it to R.G. DIAZ BUILDERS & TRADING on 2016-11-21.
    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   da3af36af2…c79145now      …
  2. 2. Block Merkle root changed
    stored   9c99097055…743750now      …
  3. 3. Block #2912 hash changed
    stored   69dc7b12da…4a5243now      …
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 261 records. Each step hashes the current value together with the sibling shown.

  1. leaf  da3af36af2ff6b89bd8d57d7d52e1d962450a0ef530ba679ac59962622c79145
  2. 01 R da6f02cd72177e4e59f2c616c63b41aee8b659595d2aef9ad67df8eaecc6987e
  3. 02 R 7b30541b24b1eb4602451f515dba0dbdcadc39b02e9ef6a7536839617273bf95
  4. 03 R f5cbdabe64ee7e1659774f62e3387e5233ba7150140d2e69bc95dbd66963c1a6
  5. 04 L 3305e0199c9704a2b4357f41176ea6c4fe43e73c6d87a7d941339c09da4bbdcf
  6. 05 L 00d5a84b884967a0c3d1895e5ad9003c32193b2350049c6dcf9decf20db70b62
  7. 06 R 79caf35d9e5e9536c74e8a497a1feed7278bce864b6fbaafacdc180defa73459
  8. 07 L 9680cef5c69ab8373631837ab4c7a534e0b2fa5e55e8d137aca296630a6612d5
  9. 08 L 208ab5d5607243eaa600defebb5b1782afceb13e09c823b865f4eef8d82a489e
  10. 09 R 9e1100a21f700c7983ce3cb0e6716b31993d333cf8dff294618dfea1e673c9fa
  11. root  9c99097055e15697b3f2b69c858da6c63d1b2e9da34a36c7f72e2971c6743750