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 - REGION XII - COTAB Award a ₱12.8M contract to BAMEC DEVELOPERSNational agencies

Transaction hash:
64dd7fff4bdbc75dca26d429fe37307c5ebd90f539237c4150cadf56074e9b3f
Status:
Included and unchanged
Block:
#3,510 2,503 blocks after it
Position in block:
Transaction 106 of 255
Award day:
Aug 20, 2018 (8 yrs 2 mo ago)
Value:
₱12,834,220.71
Project:
Contract ID 16MA0120

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 #3,510 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 "Outside Infra - GAA 2016 DepED BEFF", i.e. the FY2016 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 - REGION XII - COTAB awarded it to BAMEC DEVELOPERS on 2018-08-20.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 16MA0120: On-Going, 0% 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)
    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

2 of 8 documents found, 1 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   64dd7fff4b…4e9b3fnow      …
  2. 2. Block Merkle root changed
    stored   d58def81b4…d5528dnow      …
  3. 3. Block #3510 hash changed
    stored   9b45069f93…64721bnow      …
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 254 records. Each step hashes the current value together with the sibling shown.

  1. leaf  64dd7fff4bdbc75dca26d429fe37307c5ebd90f539237c4150cadf56074e9b3f
  2. 01 R 6634a7111a35a1f68b20bd7f68d8bd9f7eff1be4ed6f33a724ab1dd87fc90534
  3. 02 L 5983b168efb618777d980510c03a05cc3c8b16b1b04187e0ada2baaedb967468
  4. 03 R 6717293536e040a8eed3b9b2b2967e1ac8119251b40471ff027e3d7055a5a755
  5. 04 L b36e950afd59b1b326c7cef0256d7b78ccc399d405719d3774f7b69e1ac990fe
  6. 05 R caa0f4c2c136d7444c58e371e6405fcd3a55f97690ec177ba67f8bfca3f4972d
  7. 06 L e92579396f533f52ca4f66154dfe0f32ae9cd57b46906e519b659328cfc9201b
  8. 07 L 114d56dd9af25af1eb5b84638de5aed12563037cde60927fc81c8a343b5ae7fb
  9. 08 R a3e0e8e1d0f345de5b38295f3d5f101a3702a03360c2b475e03165ba54909589
  10. root  d58def81b4d6c49c178e1e9ebdf7d5cbba00519aed5b3278383f2b5d30d5528d