Pith Number

pith:D4V33P4S

pith:2005:D4V33P4SE2MZDSLNZWLDORKNZP

not attested not anchored not stored refs pending

On weak maps between 2-groups

Behrang Noohi

arxiv:math/0506313 v3 · 2005-06-15 · math.CT · math.GT · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D4V33P4SE2MZDSLNZWLDORKNZP}

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.

Cited by

1 paper in Pith

Higher symmetries and anomalies in quantum lattice systems

Receipt and verification

First computed	2026-07-04T15:12:49.665025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f2bbdbf92269991c96dcd9637454dcbe366fa3f6f6bcf1d24d8ab4185eecd98

Aliases

arxiv: math/0506313 · arxiv_version: math/0506313v3 · doi: 10.48550/arxiv.math/0506313 · pith_short_12: D4V33P4SE2MZ · pith_short_16: D4V33P4SE2MZDSLN · pith_short_8: D4V33P4S

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/D4V33P4SE2MZDSLNZWLDORKNZP \
  | 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: 1f2bbdbf92269991c96dcd9637454dcbe366fa3f6f6bcf1d24d8ab4185eecd98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e32038fe096b190f6d7ba13d416e1106c219e387da61dd25a58557266dbf392b",
    "cross_cats_sorted": [
      "math.GT",
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2005-06-15T18:14:16Z",
    "title_canon_sha256": "f431d0327155c3c27fa4ccf651eb1ba7930e7734155ce109c9a35e745ca34c6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0506313",
    "kind": "arxiv",
    "version": 3
  }
}