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 PUBLIC WORKS AND HIGHWAYS - BATAAN 2ND DEO Award a ₱4.8M contract to AJA BUILDERSNational agencies

Transaction hash:
ec1bd0c99ab5dfccc5cc0bc30f7b78ce9d8147c0e6eb39d25157c514d5730e4c
Status:
Included and unchanged
Block:
#4,248 1,765 blocks after it
Position in block:
Transaction 186 of 195
Award day:
Oct 12, 2020 (6 yrs 1 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 #4,248 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)
    DPWH lists the funding source as "Regular Infra - GAA 2020 LP", i.e. the FY2020 GAA. The exact UACS line is not given.
    Partly
  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 PUBLIC WORKS AND HIGHWAYS - BATAAN 2ND DEO awarded it to AJA BUILDERS on 2020-10-12.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 20CB0041: Completed, 100% physical progress.
    Found
  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)
    DPWH marks the contract "Completed" (end 2021-01-13). The certificate itself is not published.
    Partly
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

2 of 8 documents found, 2 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   ec1bd0c99a…730e4cnow      …
  2. 2. Block Merkle root changed
    stored   51ca5a9a6c…f1aa21now      …
  3. 3. Block #4248 hash changed
    stored   159b94a62f…203d59now      …
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 194 records. Each step hashes the current value together with the sibling shown.

  1. leaf  ec1bd0c99ab5dfccc5cc0bc30f7b78ce9d8147c0e6eb39d25157c514d5730e4c
  2. 01 R ef66ecb599e8bf1b599c64569c8dd893b0d1274b61482320515658d59ff9743e
  3. 02 L f5dc5eb48b32083d55671241d58de28d762a7f9f07322bf4c76d5500141baf39
  4. 03 R 1a4cd57f06ce17b7d2a53499442dcb1f4f2fad5cd1f0f8d5798468c4291593a4
  5. 04 L 308ecbcb884bb056c988f76c084577a75f5084fae2e5b96a4e89e5cc0d1aadef
  6. 05 L aebbb1a19cbd3016b3efff058c0f8a42060ced132973b4e85e64975b61a69740
  7. 06 L ee25c2537c38c7b91c1e06b5220fa6bbf372e2bc0aecc3f606cf9f9dac8fd82f
  8. 07 R 7bc297423ae8f100de1f6292966a4d1ef41bca23a3acdefc0b4ce973bc9dd17a
  9. 08 L afca5cd61b64a27d023bc98b823b9a284b8cadd9097a8ffa7984967a4c201dd3
  10. root  51ca5a9a6c608f55093af42a871894accb768e8b39c04d0826eacbed55f1aa21