Pith Number

pith:BL6FJB34

pith:2018:BL6FJB34ZNFSXFFTF2XLBUYDNF

not attested not anchored not stored refs pending

On the $L^p$ norm of the torsion unction

Michiel van den Berg, Thomas Kappeler

arxiv:1802.05499 v1 · 2018-02-15 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BL6FJB34ZNFSXFFTF2XLBUYDNF}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:23:15.499666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0afc54877ccb4b2b94b32eaeb0d30369729b3e2a3ab9e46ba8ad441860cad6e8

Aliases

arxiv: 1802.05499 · arxiv_version: 1802.05499v1 · doi: 10.48550/arxiv.1802.05499 · pith_short_12: BL6FJB34ZNFS · pith_short_16: BL6FJB34ZNFSXFFT · pith_short_8: BL6FJB34

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/BL6FJB34ZNFSXFFTF2XLBUYDNF \
  | 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: 0afc54877ccb4b2b94b32eaeb0d30369729b3e2a3ab9e46ba8ad441860cad6e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05f191d781892c21bd0c9918157b9338838e6bf328900c6497a46fd6fc9ed208",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-02-15T12:07:42Z",
    "title_canon_sha256": "1d33ff7ccf146adbddeee084b37dfbd1c1e3fecd8f4b0b1792c7ef809e66d658"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05499",
    "kind": "arxiv",
    "version": 1
  }
}