Pith Number

pith:O5WEIPCA

pith:2017:O5WEIPCADAD2VFZVND7MMJWC5M

not attested not anchored not stored refs pending

Detecting and assessing contextual change in diachronic text documents using context volatility

Andreas Niekler, Christian Kahmann, Gerhard Heyer

arxiv:1711.05538 v1 · 2017-11-15 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O5WEIPCADAD2VFZVND7MMJWC5M}

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	2026-05-18T00:30:29.570668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

776c443c401807aa973568fec626c2eb35bff4bbe2b29c2983e0eb059dd4707d

Aliases

arxiv: 1711.05538 · arxiv_version: 1711.05538v1 · doi: 10.48550/arxiv.1711.05538 · pith_short_12: O5WEIPCADAD2 · pith_short_16: O5WEIPCADAD2VFZV · pith_short_8: O5WEIPCA

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/O5WEIPCADAD2VFZVND7MMJWC5M \
  | 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: 776c443c401807aa973568fec626c2eb35bff4bbe2b29c2983e0eb059dd4707d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3afade099960903360205c54ec6bcb5f707ac02ea1aa5f9083d07b070dfe931",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-11-15T12:42:48Z",
    "title_canon_sha256": "557b81a768361fe065f5d1c0a41af3cec85c107d697f4382d25d4684ff5dc12f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.05538",
    "kind": "arxiv",
    "version": 1
  }
}