Pith Number

pith:UBN4PCPC

pith:2021:UBN4PCPCN6GCL2Y4AHRFKH6KDS

not attested not anchored not stored refs pending

Development of NavIC synchronized fully automated inter-building QKD framework and demonstration of quantum secured video calling

Abhishek Khanna, Adarsh Jain, Jay Bhatt, Nilesh M Desai, Parthkumar V Sakhiya, Rohan S Urdhwareshe, Shashank Kumar

arxiv:2111.09716 v1 · 2021-11-18 · quant-ph · cs.NI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UBN4PCPCN6GCL2Y4AHRFKH6KDS}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T03:49:25.871187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a05bc789e26f8c25eb1c01e2551fca1ca80f45b0dbc331131bc6644c5b3feb31

Aliases

arxiv: 2111.09716 · arxiv_version: 2111.09716v1 · doi: 10.48550/arxiv.2111.09716 · pith_short_12: UBN4PCPCN6GC · pith_short_16: UBN4PCPCN6GCL2Y4 · pith_short_8: UBN4PCPC

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/UBN4PCPCN6GCL2Y4AHRFKH6KDS \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: a05bc789e26f8c25eb1c01e2551fca1ca80f45b0dbc331131bc6644c5b3feb31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8041124006c69325bb807a1572c3f9cdcda55db86a80fe6a698fc26730db1a02",
    "cross_cats_sorted": [
      "cs.NI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-11-18T14:25:26Z",
    "title_canon_sha256": "fd22bdb2037bd4330dbe4cec619d98dd79df699d2ffb12bf7f040145dc86a90a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.09716",
    "kind": "arxiv",
    "version": 1
  }
}