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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 SAN FERNANDO, LA UNION Award a ₱4.0M contract to E. E. MADAYAG CONSTRUCTIONCities

Transaction hash:
511ef9690dbd57385ea0a58654b22a644bfc52652e3976d5d6c8aac173e0d029
Status:
Included and unchanged
Block:
#3,822 2,191 blocks after it
Position in block:
Transaction 89 of 261
Award day:
Jul 17, 2019 (7 yrs 3 mo ago)
From:
CITY OF SAN FERNANDO, LA UNION
To:
E. E. MADAYAG CONSTRUCTION
Value:
₱3,994,656.15
Project:
Construction of Farm-to Market Road, Barangay Bung
Full record:
Open the award page

Accountability

Bill Sec. 3 and 19
Responsible agency:
CITY OF SAN FERNANDO, LA UNION
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 #3,822 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 SAN FERNANDO, LA UNION awarded it to E. E. MADAYAG CONSTRUCTION on 2019-07-17.
    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 San Fernando 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   511ef9690d…e0d029now      …
  2. 2. Block Merkle root changed
    stored   753087076d…775348now      …
  3. 3. Block #3822 hash changed
    stored   a84d894dd9…a616b4now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 260 records. Each step hashes the current value together with the sibling shown.

  1. leaf  511ef9690dbd57385ea0a58654b22a644bfc52652e3976d5d6c8aac173e0d029
  2. 01 L 511e5ab5306eed6eea08a6308335516da80b8d11613438fcec7ad388d7489d47
  3. 02 R eaaa99e77d42aa0d7819708cf5dbbb20dbcb342b7cabaa141c350dff2242fde0
  4. 03 R c3de19477c35c78f7cc51195e873235a6f9c90d72ad815ecc6e651b417e7a044
  5. 04 L a889c58a4a44ed8a518105a4d8cb2fda7a3558cb196bdeba9a40871203917f6c
  6. 05 L b34936949eeed3273c21cc79c690cc93f2f255f730fd4fc434b909b2ab329861
  7. 06 R bafc2daa66ef1f67fe42093be266529076ebc2476acc2d1b84966a5184207330
  8. 07 L 398aeebb2468e75cb4acb71e153b04ff7c92fca8430df607ea4a995b41d698be
  9. 08 R 64f870b3f73bd7ec15c8e2ffaf1f1c8d9666d754b3a1799a2c02b4a68b79a52d
  10. 09 R 0c9a166143661a675d0268a29060c9c9edb1da4a40ef1193644030505e7f5f5a
  11. root  753087076d93efc9a33293a49c1895d57f5dd6738098e96356b5cbc27e775348