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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 LEGASPI, ALBAY Award a ₱489.5K contract to LANUZO'S CONSTRUCTION AND SUPPLYCities

Transaction hash:
39c8e89e6b7ce12e49f891b50c9d1a69db68548253787602c43beab0d78f8867
Status:
Included and unchanged
Block:
#1,655 4,358 blocks after it
Position in block:
Transaction 1 of 6
Award day:
Jan 14, 2013 (13 yrs 9 mo ago)
From:
CITY OF LEGASPI, ALBAY
To:
LANUZO'S CONSTRUCTION AND SUPPLY
Value:
₱489,518.27
Project:
Rehabilitation/ Repair of Drainage System
Full record:
Open the award page

Accountability

Bill Sec. 3 and 19
Responsible agency:
CITY OF LEGASPI, ALBAY
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 #1,655 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 LEGASPI, ALBAY awarded it to LANUZO'S CONSTRUCTION AND SUPPLY on 2013-01-14.
    Found
    Open
  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   39c8e89e6b…8f8867now      …
  2. 2. Block Merkle root changed
    stored   f6f37286ff…9a6d9enow      …
  3. 3. Block #1655 hash changed
    stored   6440f169ee…cb8282now      …
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 5 records. Each step hashes the current value together with the sibling shown.

  1. leaf  39c8e89e6b7ce12e49f891b50c9d1a69db68548253787602c43beab0d78f8867
  2. 01 L 0c2182074b0c4694973f987eb5cf747bdecb13569d17c0b1ba7eab059bc35ac0
  3. 02 R ba1b8b22a9b9d8bc140ea74c45b9775db669a50613cbff6334b50ac77e49cfea
  4. 03 R a3ca91d7801752e739229222217f585b709ea1892fd8be57e85661c0b705089c
  5. root  f6f37286ff1264dd8f253c180885b489e189ea8383fd2744dc1b284ff49a6d9e