Pith Number

pith:3PFE37A4

pith:2010:3PFE37A4F73DGGPQFCN7GRXNEY

not attested not anchored not stored refs pending

Conformal geometry of the supercotangent and spinor bundles

Jean-Philippe Michel

arxiv:1004.1595 v3 · 2010-04-09 · math-ph · math.DG · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3PFE37A4F73DGGPQFCN7GRXNEY}

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	2026-05-18T03:34:25.830961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbca4dfc1c2ff63319f0289bf346ed26190490f1a9d77d71aa5039dbcf1b7085

Aliases

arxiv: 1004.1595 · arxiv_version: 1004.1595v3 · doi: 10.48550/arxiv.1004.1595 · pith_short_12: 3PFE37A4F73D · pith_short_16: 3PFE37A4F73DGGPQ · pith_short_8: 3PFE37A4

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/3PFE37A4F73DGGPQFCN7GRXNEY \
  | 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: dbca4dfc1c2ff63319f0289bf346ed26190490f1a9d77d71aa5039dbcf1b7085

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0cc2dfab3c60ee102021981241ecb8902e7de5820f01a18d0433e89b456fa12",
    "cross_cats_sorted": [
      "math.DG",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2010-04-09T16:33:59Z",
    "title_canon_sha256": "4cff90ddc39765765304700eb269faa581eda69a4ded5b724831981ea3b3948a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.1595",
    "kind": "arxiv",
    "version": 3
  }
}