Pith Number

pith:BHCDQKNI

pith:1993:BHCDQKNIHAH6MDALZLP3ZX3BHD

not attested not anchored not stored refs pending

Complex Finsler metrics

Giorgio Patrizio, Marco Abate

arxiv:math/9310201 v1 · 1993-10-31 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BHCDQKNIHAH6MDALZLP3ZX3BHD}

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	2026-05-18T01:05:51.873538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09c43829a8380fe60c0bcadfbcdf6138d8ad40090a07097f5a1f267e4b16ff9c

Aliases

arxiv: math/9310201 · arxiv_version: math/9310201v1 · doi: 10.48550/arxiv.math/9310201 · pith_short_12: BHCDQKNIHAH6 · pith_short_16: BHCDQKNIHAH6MDAL · pith_short_8: BHCDQKNI

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/BHCDQKNIHAH6MDALZLP3ZX3BHD \
  | 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: 09c43829a8380fe60c0bcadfbcdf6138d8ad40090a07097f5a1f267e4b16ff9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc8243a211ad32f6981c343ae84b2f5b9e75ddf76fa2903670a5c9990de12f3c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.CV",
    "submitted_at": "1993-10-31T17:03:00Z",
    "title_canon_sha256": "54f85f488e35427f7a42de98fc8188c428cb15b1e39eb292a9feff20c32f6dbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9310201",
    "kind": "arxiv",
    "version": 1
  }
}