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 ₱4.5M contract to E.V. & E. CONSTRUCTIONCities

Transaction hash:

b9e7ee95281cb15b7bbd0b6b924ddf1a8db96bcabb113788e6bba26ce7050cb4

Status:

Included and unchanged

Block:

#1,412 4,601 blocks after it

Position in block:

Transaction 40 of 63

Award day:

Mar 27, 2012 (14 yrs 7 mo ago)

From:

CITY OF CALOOCAN

To:

E.V. & E. CONSTRUCTION

Value:

₱4,533,060.00

Project:

Rehabilitation of Durian St. and Improvement of Drainage System (Limits-Zapote Road to Sta. 0+270), PHHC II, Barangay 178, 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 #1,412 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 2012-03-27.
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 b9e7ee9528…050cb4now …
2. Block Merkle root changed
stored a280667340…19510bnow …
3. Block #1412 hash changed
stored 21e37e506e…a91cd3now …

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

leaf b9e7ee95281cb15b7bbd0b6b924ddf1a8db96bcabb113788e6bba26ce7050cb4
01 R ba0eee4bdf187c05b97c6cba69d9d49bdf60b66514592fc153e291611c8c0370
02 R c1b769f747782a74654aa3f498c7478478462179f24d3cdea7f7d5a482b17c99
03 R 36c5f35d223aaa602da07aab83a47b271cf5951cc3f77eaa60ad61765a59133f
04 L 7dd9951b845d6717d6b41c1b3cf51aa52ac9363f8b3b9c83edbf1120635f5985
05 R 4c68495c1d06a88814e8b541cf43d3b8bba2ce8da1888b6b5c8baebd5115e644
06 L 60480d4827234cc8d6a8e806ba0727b26a11fc129c3a1036214064eb7cc51ee6
root a28066734036ac94b17e53ec6cc2f16e9030a60663a9ea758370c300ff19510b