Pith Number

pith:TXY7IHOO

pith:2019:TXY7IHOOCBYVMU4LEEKEMH3HKC

not attested not anchored not stored refs pending

Offline Writer Identification based on the Path Signature Feature

Lianwen Jin, Songxuan Lai

arxiv:1905.01207 v1 · 2019-05-03 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TXY7IHOOCBYVMU4LEEKEMH3HKC}

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	2026-05-17T23:47:06.509560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9df1f41dce107156538b2114461f67509cbebbe613c1ed9464d4efd920e7c351

Aliases

arxiv: 1905.01207 · arxiv_version: 1905.01207v1 · doi: 10.48550/arxiv.1905.01207 · pith_short_12: TXY7IHOOCBYV · pith_short_16: TXY7IHOOCBYVMU4L · pith_short_8: TXY7IHOO

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/TXY7IHOOCBYVMU4LEEKEMH3HKC \
  | 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: 9df1f41dce107156538b2114461f67509cbebbe613c1ed9464d4efd920e7c351

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ea890a76ebd88446ccc0f8bebf41095b0be5889a090a4e70cdcc35b87e8b229",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-05-03T14:41:55Z",
    "title_canon_sha256": "a6ec60bc9d0cfd13edf130d7ba4fbb9f6f78de57b06014af2f8bc8d4b54baa47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.01207",
    "kind": "arxiv",
    "version": 1
  }
}