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 ₱401.8K contract to LL CONSTRUCTIONCities

Transaction hash:

03b1e7c2a2cbddbf59b4494c90eaf410fee65bb05dfdaaf9a664d7ee3a0cb2cc

Status:

Included and unchanged

Block:

#1,348 4,665 blocks after it

Position in block:

Transaction 2 of 53

Award day:

Jan 12, 2012 (14 yrs 10 mo ago)

From:

CITY OF ZAMBOANGA, ZAMBOANGA DEL SUR

To:

LL CONSTRUCTION

Value:

₱401,764.73

Project:

Construction of Drainage System at Shanty Town Luyahan, 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 #1,348 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 LL CONSTRUCTION on 2012-01-12.
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 03b1e7c2a2…0cb2ccnow …
2. Block Merkle root changed
stored a5a97919ea…631d6enow …
3. Block #1348 hash changed
stored b4ab70e11c…00b9aenow …

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 52 records. Each step hashes the current value together with the sibling shown.

leaf 03b1e7c2a2cbddbf59b4494c90eaf410fee65bb05dfdaaf9a664d7ee3a0cb2cc
01 R 05290ab83a88b27c2a99862ff3acbea56f570dfa9fe73de1d19fa19e23cb602d
02 L aedbfde9d3a88a2c62e9aec776133d6c7fbb829068d32bd829ac1ecc877941fb
03 R 9c391e52755c68fc02c8d779c8a9e9af5fa654f60b92f47322b3262ccd190f54
04 R b20261cf9f5728df8a0f8242e0d5bd09105cfe1c8c14efd6e37a8127f5d44fd4
05 R 495d481d32389ba269794a8394b633c22c31117ed5e5cb0933be1e5030bc6910
06 R 438bf0d850e94c2fa39328e9340d10a84f1d632d95a2d6a686b4b3755132c306
root a5a97919ea25b84a0b970f9395abb5c46f44cdc86ead938b44c32635f2631d6e