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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 IRRIGATION ADMINISTRATION - REGION I Award a ₱6.0M contract to A. B. TAYLAN CONSTRUCTION & DEVELOPMENTNational agencies

Transaction hash:
20e720f3de9aa0280206ee684cd1b89e8049b6092bf1157c4a57d9f853c1ea34
Status:
Included and unchanged
Block:
#496 5,517 blocks after it
Position in block:
Transaction 10 of 76
Award day:
Dec 18, 2008 (17 yrs 10 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 #496 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 - REGION I awarded it to A. B. TAYLAN CONSTRUCTION & DEVELOPMENT on 2008-12-18.
    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   20e720f3de…c1ea34now      …
  2. 2. Block Merkle root changed
    stored   7de5f444a2…3ebb65now      …
  3. 3. Block #496 hash changed
    stored   d9d6118b2c…5af91bnow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 75 records. Each step hashes the current value together with the sibling shown.

  1. leaf  20e720f3de9aa0280206ee684cd1b89e8049b6092bf1157c4a57d9f853c1ea34
  2. 01 R 2836684266ab12df44be58e5ef6b8ac91dfb89a155b2b7559f744085cb235dbe
  3. 02 L cde747c0fdb68b4944bb8835774afd31880504bedbc8cc03628d3391d57ad3eb
  4. 03 R 459a44a9a1ab1616de064a5ae8bee391092afec4b985a5e450d2fd004a68bf29
  5. 04 L 08d9de1a4cb170ff652b6645c58a6ef543f757f0d52c5ef67637f72625c42ac6
  6. 05 R a1194990fb9f43527fe2e72189e860c515ea54be1b0e92055ce494cbccf41f76
  7. 06 R 030091d7397c05051f99709a4d53d195f1d24e2aa84c11276583398f5faea1a9
  8. 07 R 336a3fad873b3e3513fee1b2139c119f593376266544916d421f97654aba70c5
  9. root  7de5f444a217567e89c5391e64b6c15a81d2a39984f0e829c32acc5e103ebb65