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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 ₱287.6K contract to REYSAN CONSTRUCTIONCities

Transaction hash:
e1c91ca63aec6befd92a032866ee724988d253e17ff228818376f9c5b714ae05
Status:
Included and unchanged
Block:
#1,022 4,991 blocks after it
Position in block:
Transaction 28 of 30
Award day:
Dec 9, 2010 (15 yrs 11 mo ago)
Value:
₱287,599.05
Project:
Construction of Multi-Purpose Pavement at Zone IV, Tumaga [Alternative Mode]

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 #1,022 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 REYSAN CONSTRUCTION on 2010-12-09.
    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   e1c91ca63a…14ae05now      …
  2. 2. Block Merkle root changed
    stored   dd702cd756…79449dnow      …
  3. 3. Block #1022 hash changed
    stored   ba10c90f5c…e6eef6now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 29 records. Each step hashes the current value together with the sibling shown.

  1. leaf  e1c91ca63aec6befd92a032866ee724988d253e17ff228818376f9c5b714ae05
  2. 01 R ec3de7e1a23758ed4383c5ae640ff8dd92549d9ebba8079028332142a553923c
  3. 02 R 89d44e26a8d00b3bf0f549c948ecd3309c9343be0baa873fcdf08460c48a7fb4
  4. 03 L 1a5bfe3d14904189ddd1fb467e15db118c8629dece4ad6263534e05c0d800c9a
  5. 04 L f77d7f56ea35289bb3c28c458ae98ef95027c7a43990b473bf6bd45e164389bd
  6. 05 L 5104152d61166c3c62eb4b751da1f3dc3b5647c9c08c0e864bc9c097b53e4519
  7. root  dd702cd7569a6dd924b5d91f85512edff129c58ad848f11bdcc7778ddb79449d