Pith Number

pith:TWH7Z3DJ

pith:2014:TWH7Z3DJXGV2K3RP4RYFNXIQ7Z

not attested not anchored not stored refs pending

The Chiral Index of the Fermionic Signature Operator

Felix Finster

arxiv:1404.6625 v2 · 2014-04-26 · 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{TWH7Z3DJXGV2K3RP4RYFNXIQ7Z}

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	2026-05-18T00:42:44.695771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d8ffcec69b9aba56e2fe47056dd10fe7797fcb632f5b2f0981eeda50efaa088

Aliases

arxiv: 1404.6625 · arxiv_version: 1404.6625v2 · doi: 10.48550/arxiv.1404.6625 · pith_short_12: TWH7Z3DJXGV2 · pith_short_16: TWH7Z3DJXGV2K3RP · pith_short_8: TWH7Z3DJ

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/TWH7Z3DJXGV2K3RP4RYFNXIQ7Z \
  | 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: 9d8ffcec69b9aba56e2fe47056dd10fe7797fcb632f5b2f0981eeda50efaa088

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "151d8aeb668f56e231e37e01973319718c497443b4c7fdfb85e44fbbb5ad634a",
    "cross_cats_sorted": [
      "math.DG",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2014-04-26T08:35:34Z",
    "title_canon_sha256": "84c0cbd62676f929114ad3a4715f8a97d1c65b0f305a963766c20b99c4e6b630"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6625",
    "kind": "arxiv",
    "version": 2
  }
}