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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 - NUEVA VIZCAYA 1ST Award a ₱163.6K contract to JANN-NORRIS CONSTRUCTION & SUPPLIESNational agencies

Transaction hash:
8539d94acf4ef9004e5ae3eb04d49cdc64bfa56f1fecef246de49cb7be4421f1
Status:
Included and unchanged
Block:
#1,850 4,163 blocks after it
Position in block:
Transaction 65 of 141
Award day:
Sep 2, 2013 (13 yrs 2 mo ago)
Value:
₱163,643.50
Project:
Const. of Rain Water Collector

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 #1,850 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)
    The award does not say which budget line pays for it.
    Not published
  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 - NUEVA VIZCAYA 1ST awarded it to JANN-NORRIS CONSTRUCTION & SUPPLIES on 2013-09-02.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    No matching DPWH contract record (only DPWH contracts are listed with progress).
    Not published
  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

1 of 8 documents found, 0 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   8539d94acf…4421f1now      …
  2. 2. Block Merkle root changed
    stored   33c8b44399…ea0b1enow      …
  3. 3. Block #1850 hash changed
    stored   b48b38c359…af827enow      …
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 140 records. Each step hashes the current value together with the sibling shown.

  1. leaf  8539d94acf4ef9004e5ae3eb04d49cdc64bfa56f1fecef246de49cb7be4421f1
  2. 01 L 84cce56f5e31d4c0712f7d900cb98f3a4b7a94ef81d0cce8445ffe10d0929481
  3. 02 R f281d5b71a45dfd4d8d30f13e9095e2e73bd02c16ebe601b38f817a1ade308d1
  4. 03 R b3aba395aa8baecd0a957341b7e5c0a433a2e06a094f3fe176e175c7663e6f83
  5. 04 R 32f2a5272f4eb7af418fcf3c55e02a7f1d5b37b98eeb4abe7469ff09d88c05c8
  6. 05 R 7b8f213ec90ad3ab6c640294e097055b2f83192ae1ec6b17116b162d54d0c559
  7. 06 R c90bb2d7f8ffec8ec7bb9196dda213fdbd04954415b35bc3b92797eae642d3a7
  8. 07 L e1ff1504d5ff65a7afe6f2bac7dd357e7dab49e7a34529ad0813174e00cfa5ff
  9. 08 R 43acc11433188799136b87be28a1b7ec126b4a7ebf13c983d120122b7e0d1a31
  10. root  33c8b443992307de259517e0cd5cb8ce87d3ac525684ef8008d57db9d1ea0b1e