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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 TANDAG, SURIGAO DEL SUR Award a ₱993.9K contract to ROWIES CONSTRUCTIONCities

Transaction hash:
b31a965a876bcb4c2a668bcbccf5cdcf383bf7622caaf65ccb519c5ed225045b
Status:
Included and unchanged
Block:
#2,325 3,688 blocks after it
Position in block:
Transaction 3 of 4
Award day:
Feb 14, 2015 (11 yrs 8 mo ago)
From:
CITY OF TANDAG, SURIGAO DEL SUR
To:
ROWIES CONSTRUCTION
Value:
₱993,928.55
Project:
Construction Project
Full record:
Open the award page

Accountability

Bill Sec. 3 and 19
Responsible agency:
CITY OF TANDAG, SURIGAO DEL SUR
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 #2,325 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 TANDAG, SURIGAO DEL SUR awarded it to ROWIES CONSTRUCTION on 2015-02-14.
    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)
    COA's CY2024 audit of City of Tandag gave a "unmodified" 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   b31a965a87…25045bnow      …
  2. 2. Block Merkle root changed
    stored   f685590d93…d73f89now      …
  3. 3. Block #2325 hash changed
    stored   f2b7876dac…147a00now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (2 steps)

How this one record is tied to the block's Merkle root, without needing the other 3 records. Each step hashes the current value together with the sibling shown.

  1. leaf  b31a965a876bcb4c2a668bcbccf5cdcf383bf7622caaf65ccb519c5ed225045b
  2. 01 L a7829d7854ced216bae57cab848a57f05a548fbe899407c1fc03b63ebe60a7a1
  3. 02 L b853d671f53006d79a1d8df16756758fb151d9dfd0a0afd480f7965ff161aba9
  4. root  f685590d9319d7cc03f09863efa922ef0cdd2787fb349bd6e4bdbe4494d73f89