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 MAKATI Award a ₱10.8M contract to MECA BUILDERS & TRADERSCities

Transaction hash:

fb3236bbb7c5cf0b2ba501ee41c21fbbd380eb03c261052153534118577ee1e6

Status:

Included and unchanged

Block:

#1,530 4,483 blocks after it

Position in block:

Transaction 82 of 85

Award day:

Aug 10, 2012 (14 yrs 3 mo ago)

From:

CITY OF MAKATI

To:

MECA BUILDERS & TRADERS

Value:

₱10,832,479.00

Project:

Proposed Road Improvement of P. Garcia St. and Roosevelt St., located at Brgy. Bangkal and Pio del Pilar, Makati City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

CITY OF MAKATI

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 #1,530 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 MAKATI awarded it to MECA BUILDERS & TRADERS on 2012-08-10.
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 Makati 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 fb3236bbb7…7ee1e6now …
2. Block Merkle root changed
stored c7e17ca3c9…950b33now …
3. Block #1530 hash changed
stored adacd4d7d1…27f95dnow …

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

leaf fb3236bbb7c5cf0b2ba501ee41c21fbbd380eb03c261052153534118577ee1e6
01 R fe47fab58806da23c2d5f824ef137b7c0bc99235e49a64ea6607b10e2700fd74
02 L 77650b05170ba6289f109b451eb833cbccdd0e155f02998d11081e6337314898
03 R 2ff9c3e8b4aa9df12596b4ec608c11341357bb0b42d1040bbb6f448aaa427bec
04 R 74c90f50d4f2278965fe941f849f4ccb740dd9042e8e39308ad99a7abbd1eaab
05 L 614bbf69bb7ee5f5abd45e614122802d4d947832bf440b9c41947bc07ad08867
06 R a901d21b53e2329d395ddeb6883a11f3d2598bbf42749315fcbf4d8f95200c1f
07 L c9dfd935df37867e43c0149e941a9af3f8f32eeaaeafdc0796a17841820cd06f
root c7e17ca3c9dee065b4aef4c18e730d9b654bb36096162729d03cb72ed3950b33