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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

CITY OF ZAMBOANGA, ZAMBOANGA DEL SUR Award a ₱4.0M contract to YN BUILDERS AND SUPPLYCities

Transaction hash:
87396ffddd08c1bc3a12a19e4e181ed35171338fecfc2431a2eeccb1d3ad29aa
Status:
Included and unchanged
Block:
#4,008 2,005 blocks after it
Position in block:
Transaction 244 of 437
Award day:
Jan 28, 2020 (6 yrs 9 mo ago)
Value:
₱3,980,030.33
Project:
Construction of Slope Protection at Bunguiao

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 #4,008 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 ZAMBOANGA, ZAMBOANGA DEL SUR awarded it to YN BUILDERS AND SUPPLY on 2020-01-28.
    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)
    COA's CY2024 audit of City of Zamboanga gave a "qualified" opinion on its financial statements (not specific to this contract).
    Partly

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   87396ffddd…ad29aanow      …
  2. 2. Block Merkle root changed
    stored   a92e1aca8f…f45ebenow      …
  3. 3. Block #4008 hash changed
    stored   25ff382826…7af622now      …
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 436 records. Each step hashes the current value together with the sibling shown.

  1. leaf  87396ffddd08c1bc3a12a19e4e181ed35171338fecfc2431a2eeccb1d3ad29aa
  2. 01 R 888f56380597c828c2d23308c2673070b789f26209fa96a3c8ba90285bbeedec
  3. 02 R 179f5f852156059f832fa623d6e2ee9ba687766af147ca2e1832077edc40fbb3
  4. 03 L 24e45dd6cb414de440bbd2f8cbe33fe4777cf8831d640bf89c377d06ccc6faa4
  5. 04 R dba9c26d86b2a82a32fbdb8b372e5aec50a49fd1ca9f23962b200b25b66b78d5
  6. 05 L 93900b135f3ca74bf527afae6c2368e98aad0d1010729a00769bab72cc2c9249
  7. 06 L b6d3b1fc5b73227da513a397125a3392479ea6d2a9e924ff056071050ed7e864
  8. 07 L d97a811f187894201968fb9f4e6a485e450e6c10ceab5350030cbbfa965ec771
  9. 08 L bb12d63ab1a8d63baa2e4a38b2cc0ad33ce0e08db2d691777d7ec22b35078d2b
  10. 09 R 4ca8e9fd4e37c75c5490b28a9d0ecfe220c2bb1e6245afc79a6153e9bd452df5
  11. root  a92e1aca8f9c34683f6d0bbe7b703d5895bd242dde1f8ed4d2b90912daf45ebe