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

NATIONAL IRRIGATION ADMINISTRATION - NIA MOMARO IMO Award a ₱13.9M contract to C.B. TAMPENGCO CONSTRUCTION & SUPPLYNational agencies

Transaction hash:
e6e2d5905ffa9f5b46cc587ffcafaf6594d4fdc8771787ec9b7bbc11c70b16c7
Status:
Included and unchanged
Block:
#3,441 2,572 blocks after it
Position in block:
Transaction 187 of 213
Award day:
Jun 7, 2018 (8 yrs 5 mo ago)

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 #3,441 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 IRRIGATION ADMINISTRATION - NIA MOMARO IMO awarded it to C.B. TAMPENGCO CONSTRUCTION & SUPPLY on 2018-06-07.
    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   e6e2d5905f…0b16c7now      …
  2. 2. Block Merkle root changed
    stored   c263cfe03b…81d209now      …
  3. 3. Block #3441 hash changed
    stored   cd39082f1a…86b122now      …
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 212 records. Each step hashes the current value together with the sibling shown.

  1. leaf  e6e2d5905ffa9f5b46cc587ffcafaf6594d4fdc8771787ec9b7bbc11c70b16c7
  2. 01 L e65e293fa5a4107ce413a69fe6889c64cf97ddf8aea7be8445793e2eefc5b44d
  3. 02 L 9318cc5c33b1eefa980add5725bc1d702af8768f470d36c91727e896e4a48dc9
  4. 03 R 1e87f166d32f2d4ae046fb90e8120ecbe6092840703b25491e5f1161d96e47fc
  5. 04 L 0045e3c87c7953f47535bee0b9c19878d8b3b85d6377ec387b302ce27b70aba4
  6. 05 L fff57ba3dd6a91a5bf90120879a8a9b864ed9b446ac7ee83098498a376033f66
  7. 06 L 54c01d6e6c9814e2a7627dcd60cf55d5027884609305218d676e9de2f969ceee
  8. 07 R 0b60579463c110edaa4f4b8d7858623df441d58756f1cf17f8ee97b8821f37e5
  9. 08 L 46d3b901854250681c2e5ec004d3ea5564876055f9496e2ef00b91eae7be7e08
  10. root  c263cfe03b2b22dc4943c6fdb83558b88615fccf3c650dd7d4b059e83981d209