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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

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION III Award a ₱62.4M contract to NORTHERN BUILDERSNational agencies

Transaction hash:
aa43db3617d0443374b04724ebb8e139f5624624efc59b15a71756fb7df05f22
Status:
Included and unchanged
Block:
#3,010 3,003 blocks after it
Position in block:
Transaction 124 of 187
Award day:
Mar 8, 2017 (9 yrs 8 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 #3,010 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 2016 Locally Funded Projects", 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 III awarded it to NORTHERN BUILDERS on 2017-03-08.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 16C00136: 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 2017-12-22). 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   aa43db3617…f05f22now      …
  2. 2. Block Merkle root changed
    stored   e20be415ec…7a3b7fnow      …
  3. 3. Block #3010 hash changed
    stored   8a80d0b3b5…dd907enow      …
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 186 records. Each step hashes the current value together with the sibling shown.

  1. leaf  aa43db3617d0443374b04724ebb8e139f5624624efc59b15a71756fb7df05f22
  2. 01 R acfa16c918aaf222329f6fe47fa799c87a3c15fdd47aa6cf6e2efe0e8f3e8c46
  3. 02 R 632837022566fb042b980b4a4f6294ef9986cbbbd58d158b75be0b96f403b300
  4. 03 L 8782d1938c0a601e933e810ea49fc122a7e2c00be38fcbad0603fda37f422bde
  5. 04 L 63708be37b0d4d07475f1f0ed2e490f57c32808a1401e1b526fb83398fd00588
  6. 05 L 3e339f7b658dfae601189271d3b4ecc8332b056746392908455c7928edca078d
  7. 06 L d27796ffcda4724b40b02aafc6c4571e5d0c77a5ddb5a3fa5f43398f09b2830b
  8. 07 L d9bda63ff13ecf399d05af08bc0a9e2525edbed26cbedcba4f77eabee4413fee
  9. 08 R 8072a49314b0ae6521e472bc11a2866e3ccadf51854f321894a8194149443803
  10. root  e20be415ec31453446f7ddc84695f28b63d6cf447b8cbbee867bd2fc7b7a3b7f