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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 SANTIAGO, ISABELA Award a ₱187.7K contract to R.T. ALVAREZ CONSTRUCTIONCities

Transaction hash:
35bc9dfbc28f68d4293bb374959685ea26ed27242520215a6968bb7513b67aad
Status:
Included and unchanged
Block:
#1,466 4,547 blocks after it
Position in block:
Transaction 12 of 82
Award day:
May 28, 2012 (14 yrs 5 mo ago)
Value:
₱187,662.90
Project:
Plumbing and Sanitary Works

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 #1,466 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 SANTIAGO, ISABELA awarded it to R.T. ALVAREZ CONSTRUCTION on 2012-05-28.
    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 Santiago 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   35bc9dfbc2…b67aadnow      …
  2. 2. Block Merkle root changed
    stored   0bddc597b8…f1bf48now      …
  3. 3. Block #1466 hash changed
    stored   16719f9572…5d7df2now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 81 records. Each step hashes the current value together with the sibling shown.

  1. leaf  35bc9dfbc28f68d4293bb374959685ea26ed27242520215a6968bb7513b67aad
  2. 01 R 38a085bb912eda2048191f33bb2ea344ed5b842853875a66ca2e01db86c9733c
  3. 02 R e028b3bcd8a6e380e99608498009f9d9555c836eb75bed59d950ad6e07315996
  4. 03 L b20bb9107861369f57f452cd334d95008818fbb42f9b4810577ae9585ec8d013
  5. 04 L b659f8b2661699d6efbfd361bd8933f15abd921d428855d17976d138f8fa6993
  6. 05 R c74c8d87d8793b184b702b2c7455f40bac8e7f61b50213ad3cf44f2ab7be81ef
  7. 06 R db6e86aeaf2e69134edbb11562b4ed3b243523b68e5d947da38dca7b81ca980b
  8. 07 R e17231704eff462553e41efa4883f2b6b4d08460c44e889be7460ef7eb9819db
  9. root  0bddc597b8585acfabe30cad7e0de358c0699128cf66c87dc8b4502d25f1bf48