Pith Number

pith:IIHNBLWB

pith:2013:IIHNBLWBHZ2SIWA6HHKDF2AYNH

not attested not anchored not stored refs pending

Spatiospectral concentration of vector fields on a sphere

Alain Plattner, Frederik J. Simons

arxiv:1306.3201 v1 · 2013-06-13 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IIHNBLWBHZ2SIWA6HHKDF2AYNH}

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	2026-05-18T03:20:59.352194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

420ed0aec13e7524581e39d432e81869e84d40b2fd4c1e19243ed36903808050

Aliases

arxiv: 1306.3201 · arxiv_version: 1306.3201v1 · doi: 10.48550/arxiv.1306.3201 · pith_short_12: IIHNBLWBHZ2S · pith_short_16: IIHNBLWBHZ2SIWA6 · pith_short_8: IIHNBLWB

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/IIHNBLWBHZ2SIWA6HHKDF2AYNH \
  | 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: 420ed0aec13e7524581e39d432e81869e84d40b2fd4c1e19243ed36903808050

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "388ffd53882897d63eb613a127858085fec20278978975348975281ce7f40145",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2013-06-13T19:20:59Z",
    "title_canon_sha256": "71705820ea2387b17d6dc31c8bc1180e63c77de7117ec25db37e773c6e404ec6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3201",
    "kind": "arxiv",
    "version": 1
  }
}