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 LEGASPI, ALBAY Award a ₱484.4K contract to AMEG CONSTRUCTION AND SUPPLYCities

Transaction hash:

e6504e586667f0e32392397e03d5ad82e1bfbf28f8958dbac08f97642fe49af9

Status:

Included and unchanged

Block:

#818 5,195 blocks after it

Position in block:

Transaction 73 of 81

Award day:

Mar 9, 2010 (16 yrs 8 mo ago)

From:

CITY OF LEGASPI, ALBAY

To:

AMEG CONSTRUCTION AND SUPPLY

Value:

₱484,380.90

Project:

(small value procurement)Furnishing of Labor, materials and equipment for the Proposed Rehabilitation/Improvement of Buyoan, Brgy. Road, Purok 5- Buyoan, Legazpi City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

CITY OF LEGASPI, ALBAY

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 #818 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 LEGASPI, ALBAY awarded it to AMEG CONSTRUCTION AND SUPPLY on 2010-03-09.
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 e6504e5866…e49af9now …
2. Block Merkle root changed
stored bb39d22f8f…a2f645now …
3. Block #818 hash changed
stored 31ac99c755…eb8388now …

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

leaf e6504e586667f0e32392397e03d5ad82e1bfbf28f8958dbac08f97642fe49af9
01 L d7d839c455861037f411b984060ca415006b988cf61e864b48ee9a84b7b131d7
02 R 27e75107b9b64152e96b8a17292fd586dffd9bc4e6935c52a83b03cb4e46358f
03 R fa4783a87076901e5a6c7215abffe59e1532f763fd0bb8183b06de657de83ded
04 L 61e563b54ddcf5bd3cc0bd5562672e0e397dcd6bf4a02e029d7b6264ff6b19d5
05 R 4dee47f058664c8ae58d33d5f6f44fadbb495f31b213de1ff38d5c4b0566f1b7
06 R 59f8a27ba01cce0eb1abe39ca1f7d62be810538935f757b6553d796f9db05960
07 L ee9b54a1e1b4b8c6e380464d483b4e5ff485e8e7b215ae571b819998712aa722
root bb39d22f8fc3c257e1958bd4810b33d60b01dada0e63160c8d48e3367fa2f645