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 ANTIQUE Award a ₱2.8M contract to GB CONSTRUCTIONNational agencies

Transaction hash:

fa1f805cbb3fb01dbc2839e2618d50fae34eb84a4257164609bb4ec38a7bdb36

Status:

Included and unchanged

Block:

#1,178 4,835 blocks after it

Position in block:

Transaction 58 of 61

Award day:

Jun 29, 2011 (15 yrs 4 mo ago)

From:

DEPARTMENT OF EDUCATION - DIVISION OF ANTIQUE

To:

GB CONSTRUCTION

Value:

₱2,751,614.75

Project:

Invitation to Bid, Cluster 4

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF EDUCATION - DIVISION OF ANTIQUE

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 #1,178 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 ANTIQUE awarded it to GB CONSTRUCTION on 2011-06-29.
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 fa1f805cbb…7bdb36now …
2. Block Merkle root changed
stored 4c10dcc915…266116now …
3. Block #1178 hash changed
stored 1360c5a70b…438fabnow …

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

leaf fa1f805cbb3fb01dbc2839e2618d50fae34eb84a4257164609bb4ec38a7bdb36
01 R fc5d41389f98ad30f8fe005674014c71842ace1559d4d4b01792773eabe5beac
02 L 19f7f07bbbf3749ab69b8b460dbcfc0a61addb9a05601b86c87370f53447da73
03 R de88ef341a1d58198ec3b764d71ef987c1d2c3eb3c9bb96a0fdf82a9806f618f
04 L 47310d46531780f239eae25037fe223b068e5450f092420c9711ad6acbbdb7bb
05 L c89481b7b44c4b6f6a2f104075c2d1a1d9a57c3c7fe9bdbaf69844ea68c71180
06 L 5d87977750cb1dcbb35b0b871771d5eb602a56763e9d95533ca5b9fe2ee2af12
root 4c10dcc91515afb5a295d2f50d9e179ec173bdbcfb3b1518a73e8328a4266116