Pith Number

pith:XBPVWJW4

pith:2013:XBPVWJW4TA2LZKWHOMLEMCVMFG

not attested not anchored not stored refs pending

Curvature spectra of simple Lie groups

Andrzej Derdzinski, Swiatoslaw R. Gal

arxiv:1304.2801 v1 · 2013-04-09 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XBPVWJW4TA2LZKWHOMLEMCVMFG}

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	2026-05-17T23:45:53.890939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b85f5b26dc9834bcaac77316460aac2999a7c61a3f5f5b08031ca29a1e68df3e

Aliases

arxiv: 1304.2801 · arxiv_version: 1304.2801v1 · doi: 10.48550/arxiv.1304.2801 · pith_short_12: XBPVWJW4TA2L · pith_short_16: XBPVWJW4TA2LZKWH · pith_short_8: XBPVWJW4

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/XBPVWJW4TA2LZKWHOMLEMCVMFG \
  | 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: b85f5b26dc9834bcaac77316460aac2999a7c61a3f5f5b08031ca29a1e68df3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "108d91511bb976484f1d174ab8372942e550e8dce722bf114fbbbe6fde32886a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-04-09T21:44:44Z",
    "title_canon_sha256": "29cc1d0e1c7b9c2be69a706b0df3571373a7ac0cbabdc5aef6dbe588f00ffdbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.2801",
    "kind": "arxiv",
    "version": 1
  }
}