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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 - BFED Award a ₱37.1M contract to KALAHAN GENERAL CONSTRUCTION & SUPPLIESNational agencies

Transaction hash:
b521a2fa80aa2abbcb5dec4cd43c938b095f1ce8f5e2bf71e5ed35a5c0c58452
Status:
Included and unchanged
Block:
#3,782 2,231 blocks after it
Position in block:
Transaction 134 of 202
Award day:
Jun 6, 2019 (7 yrs 5 mo ago)
Value:
₱37,103,030.45
Project:
Flood Control at Agno River Basin, Bokod, Benguet

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 #3,782 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 - BFED awarded it to KALAHAN GENERAL CONSTRUCTION & SUPPLIES on 2019-06-06.
    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   b521a2fa80…c58452now      …
  2. 2. Block Merkle root changed
    stored   07ccfb75b1…dbf989now      …
  3. 3. Block #3782 hash changed
    stored   bb7d0932d5…fbd9afnow      …
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 201 records. Each step hashes the current value together with the sibling shown.

  1. leaf  b521a2fa80aa2abbcb5dec4cd43c938b095f1ce8f5e2bf71e5ed35a5c0c58452
  2. 01 R b630d9dfcd1dc2e3cccd07c01fceb61ef82d69570271ab07211edb1f53b29113
  3. 02 L ac0e6b138ec3ba87e1e77e8d275a7c4f3f0bcb9e6ed80a4b216539ccc6896958
  4. 03 L 9e054417d05f58726fbccbcda2781f06af53e75a184597442d3ef806a5962d83
  5. 04 R cb9221e3c721776070c6e255bed74fa51457ce72a52647dfa6d33134d6d95e35
  6. 05 R af5f569369423e98afbc77a206e9177534b15876deee3e88b14cbe1ffe621500
  7. 06 R 2568b217fcbaaab40c5ef280c2dd8edc26c9d9cc46a983ed51cc0cb5e553ba07
  8. 07 R 39ed4bbc6001b303351e4c5747c865a55feab2e604ffb3301ef0901073a3fad6
  9. 08 L c5be5982f8f399aa15433946544cdf9b3370587dde1c71c3a2b2f66461bfc37b
  10. root  07ccfb75b1a2ef52aa55553fc9c8d3531ee32a23ebe03c9d9e51da5928dbf989