Skip to content
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 - ISABELA 2ND DEO Award a ₱949.0K contract to YZK BUILDERSNational agencies

Transaction hash:
42e8b4b72e1a425067cfcc18d0a4625e93712e92855c3eaf10c6db57aece2095
Status:
Included and unchanged
Block:
#3,321 2,692 blocks after it
Position in block:
Transaction 152 of 624
Award day:
Jan 31, 2018 (8 yrs 9 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 #3,321 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 2018 LP", i.e. the FY2018 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 - ISABELA 2ND DEO awarded it to YZK BUILDERS on 2018-01-31.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18BF0038: 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 2018-05-14). 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   42e8b4b72e…ce2095now      …
  2. 2. Block Merkle root changed
    stored   a6c0493976…038f71now      …
  3. 3. Block #3321 hash changed
    stored   4b2dfbc26a…62c0aanow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (10 steps)

How this one record is tied to the block's Merkle root, without needing the other 623 records. Each step hashes the current value together with the sibling shown.

  1. leaf  42e8b4b72e1a425067cfcc18d0a4625e93712e92855c3eaf10c6db57aece2095
  2. 01 R 42f997321a4d00a885a7f6846125fc27153d53a6f98d2535045f6b6309482b8b
  3. 02 R 9807450bc0f8ca9bff18cdf7cf40001bd6873f48d8281ebafa5345a78d90555e
  4. 03 R acfa9f92beb8ca0c34a53a1706908eab4ed8244dce95b897e3a8993f07454748
  5. 04 L f2d74faa49a95f72f4b14250b33723833d7acf965d834acb5dd0edfeb9ae74de
  6. 05 L 81d432acda8fc797436b11abd9226ba36aaca39a978e86f84e7221953789fd4a
  7. 06 R 5c670c8706cfdd06ba22071d57c5b8c1f54676384d84bfa77d12caacc0500d8f
  8. 07 R 0456d021a4cd5e84d00361fbffb2032f2c982a8b611bfe09036300ea280cb4b3
  9. 08 L 0e53ba0458b9479802c9a173c410ffb5de38eacb7ab66e139da40bbddc23b7e9
  10. 09 R e612597e448da5af731bf6a39c66fb75b0efaebd3c16dc7aaf3959505cb2983e
  11. 10 R 1b06ef9a0fc294350a9412ec1913238b7b0a55a44dd33cf3677f46ac36781650
  12. root  a6c049397694642ebcbd4123b017232a3a8426cc9fe2c9def2464071fc038f71