Pith Number

pith:2VVF2MIP

pith:2020:2VVF2MIP3ZINZERMCY7XKUVLCZ

not attested not anchored not stored refs pending

A Scientific Information Extraction Dataset for Nature Inspired Engineering

Ioannis Konstas, Jessica Chen-Burger, Julian F.V. Vincent, Marc P.Y. Desmulliez, Ruben Kruiper

arxiv:2005.07753 v2 · 2020-05-15 · 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{2VVF2MIP3ZINZERMCY7XKUVLCZ}

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	2026-07-05T01:05:50.999715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d56a5d310fde50dc922c163f7552ab16765653bbd511c07150fc015c4b367065

Aliases

arxiv: 2005.07753 · arxiv_version: 2005.07753v2 · doi: 10.48550/arxiv.2005.07753 · pith_short_12: 2VVF2MIP3ZIN · pith_short_16: 2VVF2MIP3ZINZERM · pith_short_8: 2VVF2MIP

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/2VVF2MIP3ZINZERMCY7XKUVLCZ \
  | 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: d56a5d310fde50dc922c163f7552ab16765653bbd511c07150fc015c4b367065

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c171e579cf6570197cf3c5d8b9c388c17155cb40a5b745c0174729107d3919c2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-05-15T19:25:12Z",
    "title_canon_sha256": "0e5b121dfafde55cd5d05d56f44ac05805d1a819e81dd5d154aaa67a0d131b71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.07753",
    "kind": "arxiv",
    "version": 2
  }
}