Pith Number

pith:7TFOBIUC

pith:2012:7TFOBIUCQDYYKEDF2NYIHJ2BXG

not attested not anchored not stored refs pending

On a new class of Finsler metrics

Changtao Yu, Hongmei Zhu

arxiv:1209.0857 v1 · 2012-09-05 · 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{7TFOBIUCQDYYKEDF2NYIHJ2BXG}

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	2026-05-18T03:46:16.038227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fccae0a28280f1851065d37083a741b9acebaf87cc655e46176ca1edc64b91a9

Aliases

arxiv: 1209.0857 · arxiv_version: 1209.0857v1 · doi: 10.48550/arxiv.1209.0857 · pith_short_12: 7TFOBIUCQDYY · pith_short_16: 7TFOBIUCQDYYKEDF · pith_short_8: 7TFOBIUC

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/7TFOBIUCQDYYKEDF2NYIHJ2BXG \
  | 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: fccae0a28280f1851065d37083a741b9acebaf87cc655e46176ca1edc64b91a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5deeb770a9770007101b19137d97525654a55bff0238301e30594acce610babe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-09-05T04:37:08Z",
    "title_canon_sha256": "cd9c0422022196c47458ac52a2bf98070025785a900fc33a32996e5df4e0f378"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.0857",
    "kind": "arxiv",
    "version": 1
  }
}