Pith Number

pith:UJH2IGUN

pith:2018:UJH2IGUNEBMHF427QTF3PBAPEV

not attested not anchored not stored refs pending

Background potentials and superselection sectors

Ezio Vasselli

arxiv:1811.12121 v4 · 2018-11-29 · math-ph · math.MP · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UJH2IGUNEBMHF427QTF3PBAPEV}

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	2026-05-17T23:53:50.033179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a24fa41a8d205872f35f84cbb7840f2547d094c8cc00c213850d21ffc5d05026

Aliases

arxiv: 1811.12121 · arxiv_version: 1811.12121v4 · doi: 10.48550/arxiv.1811.12121 · pith_short_12: UJH2IGUNEBMH · pith_short_16: UJH2IGUNEBMHF427 · pith_short_8: UJH2IGUN

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/UJH2IGUNEBMHF427QTF3PBAPEV \
  | 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: a24fa41a8d205872f35f84cbb7840f2547d094c8cc00c213850d21ffc5d05026

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dae04b06817ad7ce0591fde107833785857c979a6133b6580d32615483d8e91b",
    "cross_cats_sorted": [
      "math.MP",
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2018-11-29T13:16:55Z",
    "title_canon_sha256": "971bd3af0378d9d79cd91e2da617729dc7a5d557d64074ab5085bb539496ac0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.12121",
    "kind": "arxiv",
    "version": 4
  }
}