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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 - TACLOBAN CITY SDEO Award a ₱2.9M contract to YFL BUILDERSNational agencies

Transaction hash:
bb317455c2edd479a398ae2e1c91090a506644acbd78735ad3949841f3a12d39
Status:
Included and unchanged
Block:
#5,483 530 blocks after it
Position in block:
Transaction 312 of 404
Award day:
Apr 25, 2024 (2 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 #5,483 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 "Outside Infra - Unprogrammed Appropriations 2023". 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 - TACLOBAN CITY SDEO awarded it to YFL BUILDERS on 2024-04-25.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 23IM0142: 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 2024-09-19). 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   bb317455c2…a12d39now      …
  2. 2. Block Merkle root changed
    stored   986b30ab52…76d610now      …
  3. 3. Block #5483 hash changed
    stored   b86ba191b4…42881bnow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 403 records. Each step hashes the current value together with the sibling shown.

  1. leaf  bb317455c2edd479a398ae2e1c91090a506644acbd78735ad3949841f3a12d39
  2. 01 R bcdb7cd47950256e182d747815cc0cec354ef8007243be0b05b7c694558ed20a
  3. 02 R 601fc53886fb542a79a3a2ab6cdf513f9604977b68b3c7cda85383d89059cefb
  4. 03 R 5cede989aee641be8f2deff23938dc9de0e6b9b13da9ae75df70761005d3ffde
  5. 04 L 5db1db33c918b62dbb473dfdd22e86e7832a24a89d9aa22866363fc70ce9df2f
  6. 05 L 7edad68576b2751a1338f1903a7a222542bae9b00d3718c4b73cd9d09f1df83e
  7. 06 L 9ee769449e746a9bffa2cc8c24d115c04485c8243d592fbdfcd3f6693897c7d2
  8. 07 R 778830f5dea2c1a3cd6419d7b94bb8da7b76efb357ca95eba27d1af69845d99c
  9. 08 R d89ca04017531867eb1c638037cf50fbb4ff3f5213e33a79e029599019941088
  10. 09 L 3c9e558fc100fe83c4b64b4a4f8d13299dd54321f8de2571631580d5d2c2106c
  11. root  986b30ab52b89202d37fd1a6e719c06bf8343d1507a6b4f5b67a65cac376d610