Pith Number

pith:GY6555WP

pith:2009:GY6555WP26IS73VCJFK2C3BFQR

not attested not anchored not stored refs pending

Automorphisms of classical geometries in the sense of Klein

Alberto Navarro, Jose Navarro

arxiv:0901.3928 v2 · 2009-01-25 · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GY6555WP26IS73VCJFK2C3BFQR}

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	2026-05-18T03:19:22.782943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

363ddef6cfd7912feea24955a16c25844cf32bef73bfd135245936d01b15b520

Aliases

arxiv: 0901.3928 · arxiv_version: 0901.3928v2 · doi: 10.48550/arxiv.0901.3928 · pith_short_12: GY6555WP26IS · pith_short_16: GY6555WP26IS73VC · pith_short_8: GY6555WP

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/GY6555WP26IS73VCJFK2C3BFQR \
  | 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: 363ddef6cfd7912feea24955a16c25844cf32bef73bfd135245936d01b15b520

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ffd21e6d2d52903f787aa1509f78da7e261456a7b797bde9dc1608bf476ccfc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2009-01-25T22:47:03Z",
    "title_canon_sha256": "92bd69df799e9872a84c4d66924559b79469e1aeacee5afc13ba8a9be8074193"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.3928",
    "kind": "arxiv",
    "version": 2
  }
}