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

JOHN HAY MANAGEMENT CORPORATION Award a ₱41.4K contract to MAKITA CONSTRUCTIONNational agencies

Transaction hash:

1f77d2aacfa428ea1982bf1ffe988ae5279afa3e0279fea3700d3b95b4dfe0ef

Status:

Included and unchanged

Block:

#1,886 4,127 blocks after it

Position in block:

Transaction 9 of 109

Award day:

Oct 10, 2013 (13 yrs 1 mo ago)

From:

JOHN HAY MANAGEMENT CORPORATION

To:

MAKITA CONSTRUCTION

Value:

₱41,397.22

Project:

Civil Works

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

JOHN HAY MANAGEMENT CORPORATION

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 #1,886 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)
JOHN HAY MANAGEMENT CORPORATION awarded it to MAKITA CONSTRUCTION on 2013-10-10.
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)
No COA finding linked to this contract.
Not published

1 of 8 documents found, 0 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 1f77d2aacf…dfe0efnow …
2. Block Merkle root changed
stored c181d94d1a…257875now …
3. Block #1886 hash changed
stored ca9b6427e4…cd7f9cnow …

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

leaf 1f77d2aacfa428ea1982bf1ffe988ae5279afa3e0279fea3700d3b95b4dfe0ef
01 L 1c092692184fccfc5e530f1ea4dae6a80664f20c09f25cb34704dec34de63502
02 R 6f1138a3044d651dc423204081a35d993f97e7cb5e74acfd47aa1739934ab32e
03 R 22a63d286923c4e3b72436a4ed900b79ed8d7a5876f849c345ab6e626b428b1b
04 L 0d0aefd14db4275b675e05f70347d04f46d1905faa97389488eb63033fb1fa4a
05 R 349aa8af1c218bffde3e28f51d4c94151602ee69f1884ddcaefb6a2b900ad5da
06 R ff89849435e84b8af8cd757a785d3947f1932b11102b4c3c03fb529eaa3a1ef3
07 R 4a26fd35f8a04131c38e467b2ad911c0d3da4ebbd37d6d820fd0e1b9651bcb70
root c181d94d1a48c3648b40c14369a3abcf579b2023e051fdab157593af00257875