Pith Number

pith:A5VBBG4F

pith:2021:A5VBBG4FOEPM3CJH2VLO56EQHZ

not attested not anchored not stored refs pending

DeepTeeth: A Teeth-photo Based Human Authentication System for Mobile and Hand-held Devices

Geetika Arora, Kamlesh Tiwari, Rohit K Bharadwaj

arxiv:2107.13217 v1 · 2021-07-28 · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A5VBBG4FOEPM3CJH2VLO56EQHZ}

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	2026-07-05T03:01:27.958977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

076a109b85711ecd8927d556eef8903e7db56a38b2c02cb03c3d64e318f25983

Aliases

arxiv: 2107.13217 · arxiv_version: 2107.13217v1 · doi: 10.48550/arxiv.2107.13217 · pith_short_12: A5VBBG4FOEPM · pith_short_16: A5VBBG4FOEPM3CJH · pith_short_8: A5VBBG4F

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/A5VBBG4FOEPM3CJH2VLO56EQHZ \
  | 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: 076a109b85711ecd8927d556eef8903e7db56a38b2c02cb03c3d64e318f25983

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c681d9d482f2218c0d838f60afefa7937520125a9ea12139d658fc541946b1a",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-07-28T08:00:09Z",
    "title_canon_sha256": "03f54903e8121be81450b1507544dc083b25e7dc7bfb8bcfec9d5bd478cf1774"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.13217",
    "kind": "arxiv",
    "version": 1
  }
}