Pith Number

pith:YIS5DKYM

pith:2004:YIS5DKYMBZFW7EEYIIFUM5A7WL

not attested not anchored not stored refs pending

Conformal properties of harmonic spinors and lightlike geodesics in signature $(1,1)$

Frederik Witt

arxiv:math/0411396 v1 · 2004-11-17 · 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{YIS5DKYMBZFW7EEYIIFUM5A7WL}

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	2026-05-18T04:32:20.616111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c225d1ab0c0e4b6f9098420b46741fb2f9d8a26cb27cab5d2785abfe8243b91e

Aliases

arxiv: math/0411396 · arxiv_version: math/0411396v1 · doi: 10.48550/arxiv.math/0411396 · pith_short_12: YIS5DKYMBZFW · pith_short_16: YIS5DKYMBZFW7EEY · pith_short_8: YIS5DKYM

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/YIS5DKYMBZFW7EEYIIFUM5A7WL \
  | 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: c225d1ab0c0e4b6f9098420b46741fb2f9d8a26cb27cab5d2785abfe8243b91e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c8c6d3ea802da11c0287069c5392ab3df5c80f64a0dad576098bbee088507f2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.DG",
    "submitted_at": "2004-11-17T21:42:45Z",
    "title_canon_sha256": "b241e1ff5934c55200a83c4a378ca1e8b880aa7b576811543134a1f0ae1a3380"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0411396",
    "kind": "arxiv",
    "version": 1
  }
}