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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 - DINAGAT ISLANDS DI Award a ₱493.8K contract to GEVANS CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:
d493bba6e97c656d3b748da9f0f36a24ae231fed5be6b1ab34509659e00c9a5c
Status:
Included and unchanged
Block:
#3,997 2,016 blocks after it
Position in block:
Transaction 170 of 205
Award day:
Jan 16, 2020 (6 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 #3,997 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 2020 LP", i.e. the FY2020 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 - DINAGAT ISLANDS DI awarded it to GEVANS CONSTRUCTION AND SUPPLY on 2020-01-16.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 20NE0027: 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 2020-03-18). 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   d493bba6e9…0c9a5cnow      …
  2. 2. Block Merkle root changed
    stored   6990ed0503…a7e331now      …
  3. 3. Block #3997 hash changed
    stored   df4d7c2785…0a5dd4now      …
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 204 records. Each step hashes the current value together with the sibling shown.

  1. leaf  d493bba6e97c656d3b748da9f0f36a24ae231fed5be6b1ab34509659e00c9a5c
  2. 01 R d50dbe6ebcc163e68ba1aff042d9773bed9e53870ca65bb98c41b0dc9bba68b9
  3. 02 L 06e01c6a1b1dba3a4da655b61cc69fd48b6c2b2cd8d1d0f4dc477c30a4ec905e
  4. 03 R 9861e6d50afe86c098fc2778afa8916710438639085592c165116a2b37cef4f8
  5. 04 L 7af49044b1ad197df44d13d2ae9c41f1c9f4fef7ce534bad572c96de27e8ebb3
  6. 05 R acd163e64749d3237208f281faddee78f128469de60a83a3941aaea800fc3aa3
  7. 06 L bb893d0d8ded110135008289381b8c8f56b7f04040e2b59d086e7ae7dc5ee72c
  8. 07 R 91e4c77e17bfa7aa5c823e716bd3437b1df6ffbcd8ea4e5b0316753cdb639f22
  9. 08 L 675f75006a9790f5ec50215b183e1b15fdf29a31cf8b2025bcdf6c8ec1dbb5ee
  10. root  6990ed0503db4e37bb307f4497a12b716a30165fa28e2d5d2d207a0990a7e331