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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 - TARLAC DEO Award a ₱37.4M contract to NORTHERN BUILDERSNational agencies

Transaction hash:
b2d8bb39045bdb1fd79498a2e4fdcdc952a359a5db90a1c6b0c172697b2dc49f
Status:
Included and unchanged
Block:
#3,010 3,003 blocks after it
Position in block:
Transaction 129 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 "Outside Infra - GAA 2016 NDRRMF", 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 - TARLAC DEO awarded it to NORTHERN BUILDERS on 2017-03-08.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 17CJ0058: 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 2017-09-10). 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   b2d8bb3904…2dc49fnow      …
  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  b2d8bb39045bdb1fd79498a2e4fdcdc952a359a5db90a1c6b0c172697b2dc49f
  2. 01 L b118b537463688e61ae1f28a11c7bcfd9e76f1139709469af5688cf0848d15a4
  3. 02 R faae105ea1ceffd782401d941746c750324a3ca9fe2e64e38890b76dc6017ea8
  4. 03 R 5108f3b79ac8438174318711e9513905ce40a06acef68db5a13dbeaaa665ad14
  5. 04 R f7f287fc1fb189133a469dfd23a5e194566b39edd89682dcc911f5a11ef94e01
  6. 05 R dcdb7f773225a4bb25dd15372d1c6a39340d1d2d7a80a0733678e3f333fed2d8
  7. 06 R 51e1690080a6dffde09db025f46442e09b6404474c83d2272ae4234dbb0e48a5
  8. 07 R 6620e9a6a87938b3dfc0922248c1e46ad43fd83097285def743ba96ba3c28e5f
  9. 08 L c575018de7222038df9dc3504d593d49dc8d1b303d68b528f3727bab4e7cfcd8
  10. root  e20be415ec31453446f7ddc84695f28b63d6cf447b8cbbee867bd2fc7b7a3b7f