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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 - PAMPANGA 2ND DEO Award a ₱87.0M contract to TONKA CONSTRUCTIONNational agencies

Transaction hash:
195cfdf78eeb146844fbfbac2fd9a74e6f03377135b2ae1b9d12b38d3f255c7e
Status:
Included and unchanged
Block:
#4,755 1,258 blocks after it
Position in block:
Transaction 254 of 2,810
Award day:
Mar 23, 2022 (4 yrs 7 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 #4,755 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 - PAMPANGA 2ND DEO awarded it to TONKA CONSTRUCTION on 2022-03-23.
    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   195cfdf78e…255c7enow      …
  2. 2. Block Merkle root changed
    stored   63af5e405d…b418bbnow      …
  3. 3. Block #4755 hash changed
    stored   644c2530fa…dcbb1enow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (12 steps)

How this one record is tied to the block's Merkle root, without needing the other 2,809 records. Each step hashes the current value together with the sibling shown.

  1. leaf  195cfdf78eeb146844fbfbac2fd9a74e6f03377135b2ae1b9d12b38d3f255c7e
  2. 01 R 197662707eb3dc68a73bded1bafcd45d9e8f05e22ebf6c0ee5c38781c33652e3
  3. 02 L f0fd2b8afc4dc37f66b1046546a408fe8307577033ca241c15b4d21d64494a0d
  4. 03 L cf40d7dea5d73e46a734798771598790ffd492461a4fdf030884ebef3cd7ae5d
  5. 04 L e403442f079be613c483adf9aee886aac4d355b0237731165282d5f943a08c28
  6. 05 L bb4e589291277f56b1e169ace313117e4ccefbdc882374f942f471c977f50340
  7. 06 L 574250c343ace31b273dcb38d7311a5acf46da4f4e92c373d23bd3c127bcda3f
  8. 07 L ec6f909d6a883c4ce022c6338fbe3f7e564ee80c1c000516f0656173511b45bc
  9. 08 L 285f7889f0e8cb4f0214807e8ed78116a7d670d1ec942467ad38898d553dc558
  10. 09 R b691764d6c463396ab266730657fdbacc3d5e60211c9194211a9f15daf2861f6
  11. 10 R c9037147dbbfae0a205e4986036cb69c674e5d322e8b138752e8b6fbd6ab1864
  12. 11 R eb03f3a7055bce3c70ae993d9025ba5b3d120b8da8cd2e997b021257fe08c754
  13. 12 R a7bef854399dc6685d0a2f68ba8ba711a6874fdbfe5f30891fcdce900425fc1b
  14. root  63af5e405d5c4d05172a1caced43fe6e414da691797cbdae170f6ff9c1b418bb