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 - BISLIG CITY INTERIM DIVISION Award a ₱2.3M contract to DAVAO CONTRACTORS DEVELOPMENT COOPERATIVENational agencies

Transaction hash:

a3ed78bb3f5249b70bdff5ceed2f8f3542567e617e5dd2af0c15d7914b1125df

Status:

Included and unchanged

Block:

#1,182 4,831 blocks after it

Position in block:

Transaction 30 of 51

Award day:

Jul 4, 2011 (15 yrs 4 mo ago)

From:

DEPARTMENT OF EDUCATION - BISLIG CITY INTERIM DIVISION

To:

DAVAO CONTRACTORS DEVELOPMENT COOPERATIVE

Value:

₱2,346,978.25

Project:

Construction of One Storey Three Unit One Classroom 7m x 9m (Original) with Toilet School Building (Cluster 1)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF EDUCATION - BISLIG CITY INTERIM DIVISION

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 #1,182 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 - BISLIG CITY INTERIM DIVISION awarded it to DAVAO CONTRACTORS DEVELOPMENT COOPERATIVE on 2011-07-04.
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 a3ed78bb3f…1125dfnow …
2. Block Merkle root changed
stored 14939cf86d…1b33c9now …
3. Block #1182 hash changed
stored 7731f25555…ebc11dnow …

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

leaf a3ed78bb3f5249b70bdff5ceed2f8f3542567e617e5dd2af0c15d7914b1125df
01 R a69e326204da5d69e1e3934100eae197787042875e4a51aad955cefa805e5b19
02 L 4659f82ee69230e24639d5a5634cbe6dba212942d052e2a9625c334d11873729
03 L d61a55e316b48bdc868a64f2bd4c873201b0f4450340dac8a611ec522349dc56
04 L 4d7ae0979c24a19700e6e4a69117ff1740cb9d110eb371afcfa62e4af0e87a39
05 L df593d503e99e781233be70dd1183ab8cbbca8cd87c9078c086ad43ebe32f6ba
06 R b2628e25e7621e1122d0fc6309daa0308c5452f5e1264fc1db7984884f90af9e
root 14939cf86d98a9c188a3bbd89b93157b3b9f3a4c1f736201abe11ebce61b33c9