Pith Number

pith:BNHSE25Y

pith:2003:BNHSE25YKROKZOV3CTOUSTK2MA

not attested not anchored not stored refs pending

The geodesics of metric connections with vectorial torsion

Christian Thier, Ilka Agricola

arxiv:math/0309087 v2 · 2003-09-05 · 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{BNHSE25YKROKZOV3CTOUSTK2MA}

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	2026-05-18T03:07:55.301839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b4f226bb8545cacbabb14dd494d5a6016f120b822025727417fa003cfc28496

Aliases

arxiv: math/0309087 · arxiv_version: math/0309087v2 · doi: 10.48550/arxiv.math/0309087 · pith_short_12: BNHSE25YKROK · pith_short_16: BNHSE25YKROKZOV3 · pith_short_8: BNHSE25Y

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/BNHSE25YKROKZOV3CTOUSTK2MA \
  | 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: 0b4f226bb8545cacbabb14dd494d5a6016f120b822025727417fa003cfc28496

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a19dd087ecb01f351a477cf590b85bd7a4c69755823127d69d53eaf3885c66e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.DG",
    "submitted_at": "2003-09-05T08:19:46Z",
    "title_canon_sha256": "4c08270f19d1e65ca7dc2569fb843caa0e74c763f4410e894e56424e5199d03c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0309087",
    "kind": "arxiv",
    "version": 2
  }
}