Pith Number

pith:UMA3BF62

pith:2015:UMA3BF62QW4UVBM4BX7GD26K33

not attested not anchored not stored refs pending

A spectral method for half-integer spin fields based on spin-weighted spherical harmonics

Boris Daszuta, Florian Beyer, Joerg Frauendiener

arxiv:1502.07427 v2 · 2015-02-26 · gr-qc · math-ph · 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{UMA3BF62QW4UVBM4BX7GD26K33}

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	2026-05-18T01:35:20.366459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a301b097da85b94a859c0dfe61ebcadee2007cf7d6992640fb1cc025f24b2db9

Aliases

arxiv: 1502.07427 · arxiv_version: 1502.07427v2 · doi: 10.48550/arxiv.1502.07427 · pith_short_12: UMA3BF62QW4U · pith_short_16: UMA3BF62QW4UVBM4 · pith_short_8: UMA3BF62

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/UMA3BF62QW4UVBM4BX7GD26K33 \
  | 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: a301b097da85b94a859c0dfe61ebcadee2007cf7d6992640fb1cc025f24b2db9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64fc02e01c601dd357edf37d23989525584b31bc2da6042ddf44818d4256f076",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-02-26T04:11:17Z",
    "title_canon_sha256": "24340097c5875f211b4efe18aedeec102189318cb165a9f2300a652558a57322"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07427",
    "kind": "arxiv",
    "version": 2
  }
}