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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 - SOUTH METRO MANILA Award a ₱4.5M contract to BLUE LINE BUILDERSNational agencies

Transaction hash:
ca9cd6488ac475abefdf4a25f44f5c5a633d6ecfd8d49a02f261b559ecb7dd3b
Status:
Included and unchanged
Block:
#2,991 3,022 blocks after it
Position in block:
Transaction 189 of 226
Award day:
Feb 14, 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 #2,991 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 2017 MFO-2", 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 - SOUTH METRO MANILA awarded it to BLUE LINE BUILDERS on 2017-02-14.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 17OH0034: 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 2017-07-20). 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   ca9cd6488a…b7dd3bnow      …
  2. 2. Block Merkle root changed
    stored   74f53d85cd…9a19cbnow      …
  3. 3. Block #2991 hash changed
    stored   c5833b1020…c24bdcnow      …
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 225 records. Each step hashes the current value together with the sibling shown.

  1. leaf  ca9cd6488ac475abefdf4a25f44f5c5a633d6ecfd8d49a02f261b559ecb7dd3b
  2. 01 L ca26f6c3a9303dbb1d668373e815ec51b16d100a39edff677c226addd860fe16
  3. 02 R 36dd656eb5dc4b8b8412b4a0a5f31490373eaa515158ad8682b805bf52d98fc6
  4. 03 L 623c1b6fc726518d3560007134365232e8cfee640d847fc357ae7e274f68b598
  5. 04 L 2b0a8d198da3d014bc540052f16217f338f44cb7a679f75f2ae6d8bcd216f829
  6. 05 L daf2eef53ac5da04c055afb201baea3b7db1b53262e53ab521294c34b259fae2
  7. 06 L f23568a4cd15d84747d56c680478f5a6ea4b0977696414a404a74b10c00df920
  8. 07 R 48005c43a75c0c336e3c691ef9906ba70c15a383cb884ca803bc125001563b81
  9. 08 L 64c49e93d5be6028b697af2e32d611852dc4413122cf395fc920a284b937b4c6
  10. root  74f53d85cd46c32af23b19632e16795e84a4931c42050ff7e462b802169a19cb