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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 ₱494.9K contract to EMTR CONSTRUCTIONCities

Transaction hash:
24636b8ca1216c04ebc04bfb40dff687918136b1b0f40713248aa884c17541b8
Status:
Included and unchanged
Block:
#818 5,195 blocks after it
Position in block:
Transaction 13 of 81
Award day:
Mar 9, 2010 (16 yrs 8 mo ago)
Value:
₱494,905.52
Project:
Construction of Hanging Bridge at Sibulao

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 #818 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 EMTR CONSTRUCTION on 2010-03-09.
    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   24636b8ca1…7541b8now      …
  2. 2. Block Merkle root changed
    stored   bb39d22f8f…a2f645now      …
  3. 3. Block #818 hash changed
    stored   31ac99c755…eb8388now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 80 records. Each step hashes the current value together with the sibling shown.

  1. leaf  24636b8ca1216c04ebc04bfb40dff687918136b1b0f40713248aa884c17541b8
  2. 01 L 22793cee86603446b7e52b8bde17bb9265da64763f40fdfeba9d88092f565b1a
  3. 02 R ef91c5c512a87bb1d3b7bcde025aa6d61cd1f88dbc2e6f32d89fd24a1437c103
  4. 03 L 284ef8125e2669dad3208c928026006ce575763296dba97a31a50a3dcab54172
  5. 04 L f97540c9851792bf6ff91b5df2b990b3e942603f1f9ebcc6ef0a818ba55a9246
  6. 05 R 6ea059b220e70a240b6702a89ffc89b942da6fdfc67e30205896bc9074c33ea3
  7. 06 R 468950b9692fe3471e0720c9084010eeaf38d073c8fa997049d071abce8ce0db
  8. 07 R bef89e9372df047f33755a54f95458f9dc727ade812f291f0dfca017f660b467
  9. root  bb39d22f8fc3c257e1958bd4810b33d60b01dada0e63160c8d48e3367fa2f645