Pith Number

pith:KU4LOGZY

pith:2016:KU4LOGZYBI55COQ4BWTCZZUG6I

not attested not anchored not stored refs pending

A simple model of scientific progress - with examples

Luigi Scorzato

arxiv:1604.06946 v1 · 2016-04-23 · physics.hist-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KU4LOGZYBI55COQ4BWTCZZUG6I}

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	2026-05-18T01:16:23.524379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5538b71b380a3bd13a1c0da62ce686f21d095873093254763b8313e51dffa778

Aliases

arxiv: 1604.06946 · arxiv_version: 1604.06946v1 · doi: 10.48550/arxiv.1604.06946 · pith_short_12: KU4LOGZYBI55 · pith_short_16: KU4LOGZYBI55COQ4 · pith_short_8: KU4LOGZY

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/KU4LOGZYBI55COQ4BWTCZZUG6I \
  | 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: 5538b71b380a3bd13a1c0da62ce686f21d095873093254763b8313e51dffa778

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de840c6287b518fa905f31dc67dbefddc425316ce43e1ce2fb8d09042a44f5da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2016-04-23T20:08:47Z",
    "title_canon_sha256": "c4a3c261227a18b5127fbf736186024067f50c2529bd3cd37838abe96c4a9a0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.06946",
    "kind": "arxiv",
    "version": 1
  }
}