Pith Number

pith:TJNRUYPQ

pith:2016:TJNRUYPQPYCAIDI5SNNTL7TRHA

not attested not anchored not stored refs pending

A Physical Metaphor to Study Semantic Drift

Efstratios Kontopoulos, Konstantinos Konstantinidis, Peter Wittek, S\'andor Dar\'anyi, Symeon Papadopoulos

arxiv:1608.01298 v1 · 2016-08-03 · cs.CL · cs.NE · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TJNRUYPQPYCAIDI5SNNTL7TRHA}

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	2026-05-18T01:09:55.948351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a5b1a61f07e04040d1d935b35fe713824c2c7bfe919e9d070e3e0d7bf7dd1c4

Aliases

arxiv: 1608.01298 · arxiv_version: 1608.01298v1 · doi: 10.48550/arxiv.1608.01298 · pith_short_12: TJNRUYPQPYCA · pith_short_16: TJNRUYPQPYCAIDI5 · pith_short_8: TJNRUYPQ

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/TJNRUYPQPYCAIDI5SNNTL7TRHA \
  | 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: 9a5b1a61f07e04040d1d935b35fe713824c2c7bfe919e9d070e3e0d7bf7dd1c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0332c03157cc2a3e81a36389fb6dd68ea43ca9b8d1b188129e381c9b355dc26",
    "cross_cats_sorted": [
      "cs.NE",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2016-08-03T19:34:13Z",
    "title_canon_sha256": "0bd6690d10d0a14fc234300a23f1f5a1cc9f21a2ee3b9fb0cbd9a0491eba233d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.01298",
    "kind": "arxiv",
    "version": 1
  }
}