Pith Number

pith:EK7P7KXP

pith:2014:EK7P7KXP3XNJYWY6J5OGAUHB6K

not attested not anchored not stored refs pending

Super Atiyah classes and obstructions to splitting of supermoduli space

Edward Witten, Ron Donagi

arxiv:1404.6257 v1 · 2014-04-24 · hep-th · math-ph · math.AG · 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{EK7P7KXP3XNJYWY6J5OGAUHB6K}

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	2026-05-18T02:53:17.039210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22beffaaefddda9c5b1e4f5c6050e1f283fcf12a6597f23b2080b7f0f18f1f58

Aliases

arxiv: 1404.6257 · arxiv_version: 1404.6257v1 · doi: 10.48550/arxiv.1404.6257 · pith_short_12: EK7P7KXP3XNJ · pith_short_16: EK7P7KXP3XNJYWY6 · pith_short_8: EK7P7KXP

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/EK7P7KXP3XNJYWY6J5OGAUHB6K \
  | 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: 22beffaaefddda9c5b1e4f5c6050e1f283fcf12a6597f23b2080b7f0f18f1f58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5f1996fa6cdecbac66c56483987a3dae186acc1e59a7182dcf80f57ed8ed941",
    "cross_cats_sorted": [
      "math-ph",
      "math.AG",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2014-04-24T20:00:44Z",
    "title_canon_sha256": "f343925cfd4810541af0d01fc4908218b1c526a141925003ee757d3bb10b0f66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6257",
    "kind": "arxiv",
    "version": 1
  }
}