Pith Number

pith:UGL5DBUY

pith:2012:UGL5DBUYKALLGTTPMYUO6RUWFW

not attested not anchored not stored refs pending

Spinor geometry

A. Nicolaidis, V. Kiosses

arxiv:1201.6231 v1 · 2012-01-03 · physics.gen-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{UGL5DBUYKALLGTTPMYUO6RUWFW}

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	2026-05-18T01:58:38.127310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a197d186985016b34e6f6628ef46962d93754e4dd80ddd4ed077c405ca9a2c6c

Aliases

arxiv: 1201.6231 · arxiv_version: 1201.6231v1 · doi: 10.48550/arxiv.1201.6231 · pith_short_12: UGL5DBUYKALL · pith_short_16: UGL5DBUYKALLGTTP · pith_short_8: UGL5DBUY

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/UGL5DBUYKALLGTTPMYUO6RUWFW \
  | 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: a197d186985016b34e6f6628ef46962d93754e4dd80ddd4ed077c405ca9a2c6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "342fc2d668b9a4f0bb13803310242f22d00338b92e6820f27f5e7daf02762b30",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2012-01-03T18:45:46Z",
    "title_canon_sha256": "4ab42b6b8456a6435b5d25cf9c65b380d618b841c318e1aa46780bcbc5ff7943"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.6231",
    "kind": "arxiv",
    "version": 1
  }
}