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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

NATIONAL TRANSMISSION CORPORATION-MINDANAO OPERATIONS & MAIN Award a ₱565.4K contract to CHRISTHER CONSTRUCTIONNational agencies

Transaction hash:
a4d4d6ed0df937d0334a2180f83f8b6653f4a7a4befb099a2bc6385f3cada95f
Status:
Included and unchanged
Block:
#451 5,562 blocks after it
Position in block:
Transaction 4 of 10
Award day:
Oct 20, 2008 (18 yrs ago)
Value:
₱565,443.49
Project:
CONSTRUCTION OF ADDITIONAL ROOFING/COVERED STAGE AT PODIUM OF MOM BUILDING, NATIONAL TRANSMISSION CORPORATION, BRGY. MA. CRISTINA, ILIGAN CITY

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 #451 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)
    NATIONAL TRANSMISSION CORPORATION-MINDANAO OPERATIONS & MAIN awarded it to CHRISTHER CONSTRUCTION on 2008-10-20.
    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   a4d4d6ed0d…ada95fnow      …
  2. 2. Block Merkle root changed
    stored   ea8721ba53…7c8230now      …
  3. 3. Block #451 hash changed
    stored   dcf15a5ba0…ac52d4now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (4 steps)

How this one record is tied to the block's Merkle root, without needing the other 9 records. Each step hashes the current value together with the sibling shown.

  1. leaf  a4d4d6ed0df937d0334a2180f83f8b6653f4a7a4befb099a2bc6385f3cada95f
  2. 01 R bb724d0237f9db6b17158af33aadfc44008f316f9e5d3da813a828e6298917fd
  3. 02 R 206564cbc4a4333dad70f23a6a9eb64b6e9069fedddeefd8f520c59b534a6940
  4. 03 L 01551b61200a135ba64d36ed8853909f89a0ac0f9ccf6809ae7acdc4ccfedba0
  5. 04 R b1155944e60fd86d5fb3a94f5a9523e87b3e89d67f155eb249f981bfc2c9de02
  6. root  ea8721ba53b76a8599e3efdeae897a2c08aa9ff139356ebeee996d58587c8230