Pith Number

pith:U4ZEKSAC

pith:2013:U4ZEKSACS67OORXFSG23A4XKMK

not attested not anchored not stored refs pending

On permutation-twisted free fermions and two conjectures

Katrina Barron, Nathan Vander Werf

arxiv:1310.1958 v1 · 2013-10-07 · math.QA · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U4ZEKSACS67OORXFSG23A4XKMK}

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	2026-05-18T01:47:14.117230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a73245480297bee746e591b5b072ea62ab819e84565dcac2caf786c809e647ac

Aliases

arxiv: 1310.1958 · arxiv_version: 1310.1958v1 · doi: 10.48550/arxiv.1310.1958 · pith_short_12: U4ZEKSACS67O · pith_short_16: U4ZEKSACS67OORXF · pith_short_8: U4ZEKSAC

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/U4ZEKSACS67OORXFSG23A4XKMK \
  | 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: a73245480297bee746e591b5b072ea62ab819e84565dcac2caf786c809e647ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66c1d944758c6a0301dd5b9608c2d4950b2e90fe1eea798a7abb418d298ceb3a",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2013-10-07T21:24:24Z",
    "title_canon_sha256": "74b4b8b3ec235658ff00012955b8756c11c1545ac69a3a25af0950efbf63f75e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.1958",
    "kind": "arxiv",
    "version": 1
  }
}