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 ₱615.1K contract to DAWING CONSTRUCTIONCities

Transaction hash:

ef59a42759578cde2a2dfd69c06f90817b3971702a91a9da9fcea720ad01e529

Status:

Included and unchanged

Block:

#269 5,744 blocks after it

Position in block:

Transaction 46 of 55

Award day:

Feb 1, 2008 (18 yrs 9 mo ago)

From:

CITY OF ZAMBOANGA, ZAMBOANGA DEL SUR

To:

DAWING CONSTRUCTION

Value:

₱615,119.55

Project:

Rehab./Improvement of School Building at Dulian - Pasonanca Elementary School, Dulian - Pasonanca

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

CITY OF ZAMBOANGA, ZAMBOANGA DEL SUR

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 #269 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5

1. Appropriation
GAA line item · Sec. 5(b)
The award does not say which budget line pays for it.
Not published
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. Cash allocation
Notice of Cash Allocation · Sec. 5(c)(iv)
Not published per project.
Not published
4. Contract award
Notice of Award (PhilGEPS) · Sec. 5(d)
CITY OF ZAMBOANGA, ZAMBOANGA DEL SUR awarded it to DAWING CONSTRUCTION on 2008-02-01.
Found
Open
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. Payment
Disbursement voucher · Sec. 5(c)(viii)
Not published. No public source shows how much of this contract has been paid.
Not published
7. Completion
Certificate of completion · Sec. 5(d)
No completion certificate published.
Not published
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
Open

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.

Contract amount (₱)

1. Record fingerprint changed
stored ef59a42759…01e529now …
2. Block Merkle root changed
stored 42a6c3201d…bbe3ecnow …
3. Block #269 hash changed
stored f8dcb7ee63…5d18acnow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 54 records. Each step hashes the current value together with the sibling shown.

leaf ef59a42759578cde2a2dfd69c06f90817b3971702a91a9da9fcea720ad01e529
01 R f08624768d6e00eae6fd713b1688217b7929d7baa5ec51feb763bee9e4f1af9d
02 L d834e338e34499558cead893740610fc005e52bb8db8d1a04288374e94a0a8c5
03 L 488c568a70a31581f6802ddb3705b4a268623dcb5fc61ff2797629b2194256a7
04 L beb34de1747d30f253c4eadf5601fbab1de9f62c26369623c68fc965bd86a09f
05 R 7172f302bfcff9126b578bc8372130f2f4cbd42fd585d398fd662ec755ab2b6a
06 L 6cb6ff330e61d73af48123465398922b7792ed2b0c128b03fa1773986065f6c4
root 42a6c3201d3a28ffd6ef426f54896f72e2c235dbdcf0918ccb5da59097bbe3ec