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 ₱1.4M contract to E.V. & E. CONSTRUCTIONCities

Transaction hash:

dad2ea1a8e0bbd95acb1ee251b2c5f3db9da9dd509410875a093a65f8ba4ceeb

Status:

Included and unchanged

Block:

#1,515 4,498 blocks after it

Position in block:

Transaction 56 of 69

Award day:

Jul 24, 2012 (14 yrs 3 mo ago)

From:

CITY OF CALOOCAN

To:

E.V. & E. CONSTRUCTION

Value:

₱1,413,000.00

Project:

Construction and Installation of Streetlightings at San Antonio St. (Capt. de Rico St. to Champaca St.), Barangay 174, Camarin, 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 #1,515 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 2012-07-24.
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 dad2ea1a8e…a4ceebnow …
2. Block Merkle root changed
stored 136fbfcfd2…f4234dnow …
3. Block #1515 hash changed
stored c5b328801d…925795now …

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

leaf dad2ea1a8e0bbd95acb1ee251b2c5f3db9da9dd509410875a093a65f8ba4ceeb
01 R dd82497ed0e1b7d3acc9d4bdb84f41297e34ef7b56f762ef7fb97e9eabd62025
02 R 2a9db0891901284152f69f83b7b2653c96fbe81cd8efc80703368c26203f0710
03 R 3e810c9c8ca436f6bfffedcc42db512a8fee43746c70d0e76d6cd9584bf857de
04 L 8172dcbedf7082f03de36b43cf7c7a2d00bd7662e773fb539d0f39d8193b6f7b
05 L 87e3fcef136fe718dde92c6d1296fbcb19390aceba473095553b0a052c717de1
06 L 50c1fabf2171fd76b17ac0fac4d644052d18809b79f69a3f08e3f4008871f6b6
07 R 72e4c5419f770dff2a873cd31b7bc0c33f36c1b15cbf4f8eb962f643df064927
root 136fbfcfd2db29bb50ca63a078bfdf47b66f7581ce0980778595670147f4234d