Pith Number

pith:FDUMUN5S

pith:2017:FDUMUN5S5IJGGFSV6HFHENNVCR

not attested not anchored not stored refs pending

Word forms - not just their lengths- are optimized for efficient communication

Stephan C. Meylan, Thomas L. Griffiths

arxiv:1703.01694 v2 · 2017-03-06 · 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{FDUMUN5S5IJGGFSV6HFHENNVCR}

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	2026-05-18T00:43:15.623555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28e8ca37b2ea12631655f1ca7235b51470cb72903d79eea390f58b57c83ed0d1

Aliases

arxiv: 1703.01694 · arxiv_version: 1703.01694v2 · doi: 10.48550/arxiv.1703.01694 · pith_short_12: FDUMUN5S5IJG · pith_short_16: FDUMUN5S5IJGGFSV · pith_short_8: FDUMUN5S

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/FDUMUN5S5IJGGFSV6HFHENNVCR \
  | 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: 28e8ca37b2ea12631655f1ca7235b51470cb72903d79eea390f58b57c83ed0d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a37786cd8850163c71138e692996b057474ab6d210c15084233b4716bf635648",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-03-06T00:38:51Z",
    "title_canon_sha256": "aa954c066e1714a0e99748232b70413360e78dd25645803f015bec3a23f42515"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.01694",
    "kind": "arxiv",
    "version": 2
  }
}