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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

BARANGAY SAN ISIDRO - BULAN, SORSOGON Award a ₱652.5K contract to TIONGBIO CONSTRUCTIONBarangays

Transaction hash:
8358de44cebfa8270eeaed364bcaf022eca432d6999473c52f85f64f670010c9
Status:
Included and unchanged
Block:
#4,906 1,107 blocks after it
Position in block:
Transaction 73 of 147
Award day:
Sep 2, 2022 (4 yrs 2 mo ago)
Value:
₱652,503.30
Project:
INSTALLATION OF STREETLIGHTS

Accountability

Bill Sec. 3 and 19
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 #4,906 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)
    BARANGAY SAN ISIDRO - BULAN, SORSOGON awarded it to TIONGBIO CONSTRUCTION on 2022-09-02.
    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)
    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   8358de44ce…0010c9now      …
  2. 2. Block Merkle root changed
    stored   9c43905304…29ba90now      …
  3. 3. Block #4906 hash changed
    stored   662572cb57…52c6ebnow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 146 records. Each step hashes the current value together with the sibling shown.

  1. leaf  8358de44cebfa8270eeaed364bcaf022eca432d6999473c52f85f64f670010c9
  2. 01 L 83188c39948656de096fa78617c5272d95352ee5e50e0f0ed96b182862565895
  3. 02 R a6ab71379c7362778bfc822472bc5f271e6216531241d79aeace00a611156504
  4. 03 R 04e8cceab1424386a1277f8b7bbfdc540274e3517909a51a4849e41d563712aa
  5. 04 L 53b07bb54eb881262d882812e1e5be8edf4257c23866b006a6b07b1726210983
  6. 05 R 03e9b25e2f939f96476de3d3d335fff396ba5160ea762d759325f0579d3d6d0e
  7. 06 R 629c816f858c4be28924242c24725057b2c88cc7303e28c315ad9c3a8fe8d085
  8. 07 L 3822ec3521cb46cdd7e32093d3aced634417ed9a4a998e4ff8902072f3501468
  9. 08 R 1b2f4a53caae83d6aa493fb01d3121153781adf3a83ad1aee39d76032086e304
  10. root  9c43905304e813b27ca174eda2949cd6c1c7c181b3010f1c645854fa4429ba90