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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 - NEG. OCC. 1ST DEO Award a ₱1.4M contract to HUMMING BIRD CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:
8a9013d25175f78921c19d12ec9e6659fe8f73f2ff987d900d5e328da99c18d3
Status:
Included and unchanged
Block:
#3,066 2,947 blocks after it
Position in block:
Transaction 91 of 161
Award day:
May 4, 2017 (9 yrs 6 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 #3,066 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 - NEG. OCC. 1ST DEO awarded it to HUMMING BIRD CONSTRUCTION AND SUPPLY on 2017-05-04.
    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   8a9013d251…9c18d3now      …
  2. 2. Block Merkle root changed
    stored   e846a1a91b…fcb5aenow      …
  3. 3. Block #3066 hash changed
    stored   b1bbaccae0…e80b1dnow      …
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 160 records. Each step hashes the current value together with the sibling shown.

  1. leaf  8a9013d25175f78921c19d12ec9e6659fe8f73f2ff987d900d5e328da99c18d3
  2. 01 L 8a0d17a385c33145a5b54d3d2465afd74dd3170e8cc7c0cf4e47e7946b1c9c86
  3. 02 L 6da4ca2ad8fad6f8c43aae1ed62c98f6acb848f13b6bdb1fed2dcb8730ebd333
  4. 03 R 7e87e532b33b5ae2ea7a3f32c28be019291885ddf45a176320743ea29f22ee6b
  5. 04 L b789570b75612faf266cd0d6d29c09d6eeb22c49da9967623e38d510f88a62ee
  6. 05 L d9939cdde752aad9a2c5a394b960acc36c091a7275d948f77ff89a6af001c558
  7. 06 R 69cd0e3ba84396629cc07a86e53daf47330536a4ee43cffd9d666b893b79b7b6
  8. 07 L c4cb8aac088fe1ec2f9b2bae2cc852e07ef33493f4a7ebbe0cb3ca0ef242f5a2
  9. 08 R 896b73cc857f371d961764921fdb642eb807be897ec6521cc546bf82b8017ba8
  10. root  e846a1a91bab66d32805b4b5d9f02fa574a25d005d1245fee5b6676f68fcb5ae