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 CALOOCAN Award a ₱6.7M contract to E.V. & E. CONSTRUCTIONCities

Transaction hash:

fffc10ea11b91d274842cab22f7102bffc6b44226f7b3b2d350ff81ddc2073e3

Status:

Included and unchanged

Block:

#807 5,206 blocks after it

Position in block:

Transaction 58 of 59

Award day:

Feb 24, 2010 (16 yrs 8 mo ago)

From:

CITY OF CALOOCAN

To:

E.V. & E. CONSTRUCTION

Value:

₱6,728,800.00

Project:

Completion of Two (2)-Storey Eight (8)-Classroom Building (with Provision for 3rd and 4th Floors) at Urduja Elementary School, Barangay 172, Caloocan City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

CITY OF CALOOCAN

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 #807 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 CALOOCAN awarded it to E.V. & E. CONSTRUCTION on 2010-02-24.
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 Caloocan gave a "unmodified" 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 fffc10ea11…2073e3now …
2. Block Merkle root changed
stored f2dcd72706…2e99f8now …
3. Block #807 hash changed
stored 70d493e49a…48499bnow …

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

leaf fffc10ea11b91d274842cab22f7102bffc6b44226f7b3b2d350ff81ddc2073e3
01 R fffc10ea11b91d274842cab22f7102bffc6b44226f7b3b2d350ff81ddc2073e3
02 L b15569a1db34d44588b0e8236e4a205e8736e81ce7e4c24c66abbaa6f6c3bccb
03 R 8933f5d4aa93644414de3847bb1da97275ff704e9e7cb748aa01f754f8ab9b1e
04 L a6ad3d94cf8c5f0bd18d80aed9aba80d5e0d733b26e5f0fba98ac7dff604813f
05 L 78c4b880e5234e8888e4414c46c0edef93b7b9e5cf4da6659e5ddcc22bc6fcca
06 L 41165975ea30fc492a48ac84aef4c13d3d823027065004e96860ff40a46d5460
root f2dcd72706ce1d33f10277249e395e315786e6c518109e899540c2547d2e99f8