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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 ₱364.7K contract to ACO CONSTRUCTIONCities

Transaction hash:
2240c30bee44d19daef3fc9d909203d2f5d325ddada803d4234f1e5649297c2b
Status:
Included and unchanged
Block:
#187 5,826 blocks after it
Position in block:
Transaction 2 of 5
Award day:
Oct 5, 2007 (19 yrs 1 mo ago)
Value:
₱364,748.98
Project:
Rehabilitation / Improvement of School Building / Day Care Center (Cluster)

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 #187 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 ACO CONSTRUCTION on 2007-10-05.
    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   2240c30bee…297c2bnow      …
  2. 2. Block Merkle root changed
    stored   3fe4007c09…58b189now      …
  3. 3. Block #187 hash changed
    stored   e497f5a368…083d15now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (3 steps)

How this one record is tied to the block's Merkle root, without needing the other 4 records. Each step hashes the current value together with the sibling shown.

  1. leaf  2240c30bee44d19daef3fc9d909203d2f5d325ddada803d4234f1e5649297c2b
  2. 01 R 886a1c7adf2eed92b2338481e5e762f0ee68524007269ce9e25d61919ca8108f
  3. 02 L 8af1bf70551e33fcba5a1b953b91cd4deb7e6a1d7449b57b2fedf689fc957e02
  4. 03 R 69c7b9fc5df83ad480e12102236aa22fcb71196064c18d84ce1aee2809e9d385
  5. root  3fe4007c09111d7ea953123111268edade2cfb9ff8d6e86e3c55c7a34f58b189