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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

CITY OF CALAMBA, LAGUNA Award a ₱1.1M contract to MAGNA RICH TRADING & CONSTRUCTIONCities

Transaction hash:
28f736d34aabb5c2b296c4d227b722f4db7834ebb19a597ffedd9622205c000f
Status:
Included and unchanged
Block:
#304 5,709 blocks after it
Position in block:
Transaction 0 of 7
Award day:
Mar 28, 2008 (18 yrs 7 mo ago)
Value:
₱1,058,647.79
Project:
I-2007-114 Riprapping and Backfilling, Barangay Punta

Accountability

Bill Sec. 3 and 19
Responsible agency:
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 #304 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)
    CITY OF CALAMBA, LAGUNA awarded it to MAGNA RICH TRADING & CONSTRUCTION on 2008-03-28.
    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)
    COA's CY2024 audit of City of Calamba gave a "qualified" opinion on its financial statements (not specific to this contract).
    Partly

1 of 8 documents found, 1 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   28f736d34a…5c000fnow      …
  2. 2. Block Merkle root changed
    stored   e60c5912ad…0fe1b0now      …
  3. 3. Block #304 hash changed
    stored   35be663b88…7bbdaanow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (3 steps)

How this one record is tied to the block's Merkle root, without needing the other 6 records. Each step hashes the current value together with the sibling shown.

  1. leaf  28f736d34aabb5c2b296c4d227b722f4db7834ebb19a597ffedd9622205c000f
  2. 01 R 3d1ea5510d063fded78ba4fd1d3a8f9dabadbaa6e970e34ec7de0246563f9c3b
  3. 02 R 9afc14817c5c65165db18e52cf86da76d0c67a01bbb877399c0246bf0c416990
  4. 03 R 366ce0b34e9352957798a4590df045f9906798ecde63d9a69da0539476a1158e
  5. root  e60c5912adf194cea24aa47e384c26edf32ad0106236627f611bba04650fe1b0