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 ₱8.3M contract to 3VC CONSTRUCTIONCities

Transaction hash:

e643fb59971ec1ab9dc45240fc561ed58b6faabba5934db5c9e5035c83de9785

Status:

Included and unchanged

Block:

#1,213 4,800 blocks after it

Position in block:

Transaction 58 of 68

Award day:

Aug 10, 2011 (15 yrs 3 mo ago)

From:

CITY OF ZAMBOANGA, ZAMBOANGA DEL SUR

To:

3VC CONSTRUCTION

Value:

₱8,328,888.88

Project:

Construction of Two (2) Storey Eight (8) Classroom School Building at Talon-Talon National High School, Talon-Talo

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 #1,213 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 3VC CONSTRUCTION on 2011-08-10.
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 e643fb5997…de9785now …
2. Block Merkle root changed
stored 29867aad44…7fb3c8now …
3. Block #1213 hash changed
stored c9e78f411e…5fb2aenow …

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

leaf e643fb59971ec1ab9dc45240fc561ed58b6faabba5934db5c9e5035c83de9785
01 R ebee4644c687f07322625fb552b6868ac209d88fde7e027f098bd377b4b5d28c
02 L 9543d6602ca18a4c37d7f826eb5b02a0d2351a6c093e95ab5131e63e14b58e1b
03 R dbd52440c8c66e2a2e077104d9b905d343aaed95f6b2e6b18e07d9d13bf1c383
04 L c7f32435bd7082ca010969ca74f71b2a31059021b5ec71b8d699945cabbc2180
05 L 6120fbaba9b6a3259adc1394b25d35cb3a727459b0e029c3d6d9f47be9a6028f
06 L 6e2ba820e7a3275c8875c5318b5094f31f7e83d454991be5eb9b3a0682d9d31d
07 R 7df2c1ac1e55f2416cc657e47b4ff16caff4e5d4ef0a1935e1d59132428d6d58
root 29867aad44bc31aca36fd873fb0ced8b842ced81041b38fc74ff63218f7fb3c8