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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 - CATANDUANES ED Award a ₱2.9M contract to NVR CONSTRUCTIONNational agencies

Transaction hash:
6459c61788910ec0051ae138d524b4a08c7542406e511ec453182299de847ad3
Status:
Included and unchanged
Block:
#3,261 2,752 blocks after it
Position in block:
Transaction 117 of 281
Award day:
Dec 1, 2017 (8 yrs 11 mo ago)
Value:
₱2,883,684.66
Project:
CONSTRUCTION OF ONE (1) STOREY TWO (2) CLASSROOM S

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 #3,261 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 2017 DepEd BEFF", i.e. the FY2017 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 - CATANDUANES ED awarded it to NVR CONSTRUCTION on 2017-12-01.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 17FH0176: 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 2018-06-03). 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   6459c61788…847ad3now      …
  2. 2. Block Merkle root changed
    stored   26aa3652f9…3bde74now      …
  3. 3. Block #3261 hash changed
    stored   f1406d7434…9bdd9cnow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 280 records. Each step hashes the current value together with the sibling shown.

  1. leaf  6459c61788910ec0051ae138d524b4a08c7542406e511ec453182299de847ad3
  2. 01 L 638d89169d6780de1fcb72e8457a897df8f272810f349856d2e7fa248928df4b
  3. 02 R 5e4cb042ffac6ecac2fa1da51d8ee1025a85c6a8376a60675bb8ab3d57eae58d
  4. 03 L 176025615565ad0502d9702e8840d31a3a6d9e65216b3bf82fd21490427454a0
  5. 04 R 165925541d22c3c88097e6c53e3c94117801b546eb590a638d89eed68ba0cebe
  6. 05 L 7633c1c11d7bb04fca77afb83e22bfedff81d292c7aa50bbb4d1c0ad792eaf5d
  7. 06 L 644277c245aa419641a18df0f7683119dd598886110e5550e1a5638f04899c95
  8. 07 L 39e53fd40c4a1e9856afc58ac39c7c487007c7b395d8be5aade0870ab45cdf06
  9. 08 R 73e83ecbdd0314c7df981830e5887d39ff8ea3e41fa41fb58ea51b1bbe36b7fb
  10. 09 R 19873dc7e199b2262ef7823681174dfc59a116c3b6c4c1fd7a20d178b628013a
  11. root  26aa3652f9c19e8abdf70606ace1902f6b45fd2c0e24dc3bc55968a0e03bde74