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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 SURIGAO, SURIGAO DEL NORTE Award a ₱256.5K contract to CTB ENGINEERING CONSTRUCTIONCities

Transaction hash:
ce80bd29785eba1dd2597ea6113325e8436262dcdcd3155625045d92a0d85fec
Status:
Included and unchanged
Block:
#669 5,344 blocks after it
Position in block:
Transaction 0 of 2
Award day:
Aug 21, 2009 (17 yrs 2 mo ago)
From:
CITY OF SURIGAO, SURIGAO DEL NORTE
To:
CTB ENGINEERING CONSTRUCTION
Value:
₱256,531.60
Project:
Completion of Covered Court
Full record:
Open the award page

Accountability

Bill Sec. 3 and 19
Responsible agency:
CITY OF SURIGAO, SURIGAO DEL NORTE
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 #669 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 SURIGAO, SURIGAO DEL NORTE awarded it to CTB ENGINEERING CONSTRUCTION on 2009-08-21.
    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)
    COA's CY2024 audit of City of Surigao gave a "qualified" opinion on its financial statements (not specific to this contract).
    Partly
    Open

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   ce80bd2978…d85fecnow      …
  2. 2. Block Merkle root changed
    stored   e85965c905…4c2379now      …
  3. 3. Block #669 hash changed
    stored   4c9482ca04…e8cf7bnow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (1 steps)

How this one record is tied to the block's Merkle root, without needing the other 1 records. Each step hashes the current value together with the sibling shown.

  1. leaf  ce80bd29785eba1dd2597ea6113325e8436262dcdcd3155625045d92a0d85fec
  2. 01 R dd1e89381b4fe7b1016680ed6f2eefe099c95b228b2ca61b188d1a837a1a6970
  3. root  e85965c90598f27d41928eda5b2062ce5b1625c5e5955f7e50f828df384c2379