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

DEPARTMENT OF EDUCATION - DIVISION OF ANGELES CITY Award a ₱788.3K contract to EML CONSTRUCTION & TRADINGNational agencies

Transaction hash:

98e38c2e82bf1ed61860eb2a71bea349c0100e4561817e8325523d3011cff737

Status:

Included and unchanged

Block:

#1,462 4,551 blocks after it

Position in block:

Transaction 27 of 41

Award day:

May 24, 2012 (14 yrs 5 mo ago)

From:

DEPARTMENT OF EDUCATION - DIVISION OF ANGELES CITY

To:

EML CONSTRUCTION & TRADING

Value:

₱788,251.73

Project:

Repair and Rehabilitation of Classrooms at Sta. Teresita ES and Sapang Bato HS (Cluster 3)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF EDUCATION - DIVISION OF ANGELES CITY

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 #1,462 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)
DEPARTMENT OF EDUCATION - DIVISION OF ANGELES CITY awarded it to EML CONSTRUCTION & TRADING on 2012-05-24.
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)
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 98e38c2e82…cff737now …
2. Block Merkle root changed
stored f35beec287…512c4cnow …
3. Block #1462 hash changed
stored b26d3669a3…8a1874now …

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

leaf 98e38c2e82bf1ed61860eb2a71bea349c0100e4561817e8325523d3011cff737
01 L 97908e75272fb8ca94bfcc2f375e73ad68cb64198a841a19902a4c8d7109080b
02 L 7beae9e85ebe7cbc1e372feff17489a889ea893a7abb22cf1d61a021a96fe8c7
03 R f2eb820618a27776d79279c10d6a99dfa4d4306ccd70b54f88fdec96b896d7cb
04 L 9becc3fea92da01dca98e2fcc1a43f1118d57c815e2354e5f14159703a1c4d3f
05 L ce78ad47d6cdeac290128d10a0873deb2860153db80c46f878d06ae23f9b0c79
06 R c822f8b742e8af1f65008ac6be4e10b92100eace3466ba23d4b633426803884f
root f35beec28771063d5f6ce108ab4b13b5771cf1b0a403e331db05ad846e512c4c