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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 ₱698.4K contract to GAB-ZION ENTERPRISESCities

Transaction hash:
d7a8a206e0e025cbf95cbb624fe7e227b67690de0d517e761e234291a3d22ca9
Status:
Included and unchanged
Block:
#79 5,934 blocks after it
Position in block:
Transaction 17 of 19
Award day:
Mar 21, 2007 (19 yrs 7 mo ago)
Value:
₱698,404.84
Project:
I-2007-012/Concreting of Road/Barangay Halang

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 #79 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 GAB-ZION ENTERPRISES on 2007-03-21.
    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   d7a8a206e0…d22ca9now      …
  2. 2. Block Merkle root changed
    stored   ce4dfd165e…f76cd9now      …
  3. 3. Block #79 hash changed
    stored   2056de52b2…682d7anow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 18 records. Each step hashes the current value together with the sibling shown.

  1. leaf  d7a8a206e0e025cbf95cbb624fe7e227b67690de0d517e761e234291a3d22ca9
  2. 01 L cfdec9b80f8d677a842f1f1cf945b250e31afcb828d178c0b67c77b9d09672bd
  3. 02 R b59b810b2a16f49a22a74c4b358141a00224e22bac1f7afa7f2d16ae9a2f5812
  4. 03 R d5d2793a5894a2f32c94a365817a719e5d5823057889ffa3db35e3267fa68b9c
  5. 04 R 4a64b18a68361619bd03b0764c4c73e9c08ae82340b003c163081a7731daf9fe
  6. 05 L 54d8d25424764fe2ccf78ec7f1a9a636f62707d64fecdcebb5bdd999b8c618f6
  7. root  ce4dfd165e2e37e2cd7c1d9a186abecc6184447b3acfebc4b74b21ab84f76cd9