Pith Number

pith:7KPSKRYX

pith:2019:7KPSKRYXAGE3KHIPF55AB2PW72

not attested not anchored not stored refs pending

Zero Knowledge Proof based authentication protocol using graph isomorphism

Ashutosh Bhatia, Lavish Saluja

arxiv:1911.09329 v1 · 2019-11-21 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7KPSKRYXAGE3KHIPF55AB2PW72}

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	2026-07-05T00:20:59.315136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa9f2547170189b51d0f2f7a00e9f6fe91b1b77d4d4c39bc76d9f6eb103e9783

Aliases

arxiv: 1911.09329 · arxiv_version: 1911.09329v1 · doi: 10.48550/arxiv.1911.09329 · pith_short_12: 7KPSKRYXAGE3 · pith_short_16: 7KPSKRYXAGE3KHIP · pith_short_8: 7KPSKRYX

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/7KPSKRYXAGE3KHIPF55AB2PW72 \
  | 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: fa9f2547170189b51d0f2f7a00e9f6fe91b1b77d4d4c39bc76d9f6eb103e9783

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a06d1a51847e659bb620f0c32764f0c56b085ea0cf0fc59f7e41872598f4c7a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-11-21T08:13:47Z",
    "title_canon_sha256": "5c43b300f7fd8aa7643f5b33ae3ab90ce1bcedaaab4e858da7d07b8a3af0d08a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.09329",
    "kind": "arxiv",
    "version": 1
  }
}