Pith Number

pith:IXETIU2A

pith:2019:IXETIU2AGSVSIDW2DEVUBOD4EC

not attested not anchored not stored refs pending

Families of Symmetries and the Hydrogen Atom

Eyal Subag, Nigel Higson

arxiv:1908.01905 v4 · 2019-08-05 · math.RT · 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{IXETIU2AGSVSIDW2DEVUBOD4EC}

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	2026-07-05T04:52:22.012645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45c934534034ab240eda192b40b87c209272e02935e193ae30ddce4d42c3bf60

Aliases

arxiv: 1908.01905 · arxiv_version: 1908.01905v4 · doi: 10.48550/arxiv.1908.01905 · pith_short_12: IXETIU2AGSVS · pith_short_16: IXETIU2AGSVSIDW2 · pith_short_8: IXETIU2A

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/IXETIU2AGSVSIDW2DEVUBOD4EC \
  | 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: 45c934534034ab240eda192b40b87c209272e02935e193ae30ddce4d42c3bf60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "041a767c629d750efcc68fffddf080d37c527180f5696be22f8947e7463ffe55",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2019-08-05T23:54:44Z",
    "title_canon_sha256": "637e456940ac31f31c754a2b0454086ffcd7eaa140e8fa743ab045251c566acb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01905",
    "kind": "arxiv",
    "version": 4
  }
}