Pith Number

pith:IDCQBAFK

pith:1998:IDCQBAFKYWW6UYILGDNSLJLWUW

not attested not anchored not stored refs pending

Classical and quantum theories of spin

Edgardo T. Garcia Alvarez, Fabian H. Gaioli

arxiv:hep-th/9807131 v1 · 1998-07-17 · hep-th · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IDCQBAFKYWW6UYILGDNSLJLWUW}

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	2026-05-18T04:34:55.703263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40c50080aac5adea610b30db25a576a587188622285e286325874ac3765654f3

Aliases

arxiv: hep-th/9807131 · arxiv_version: hep-th/9807131v1 · doi: 10.48550/arxiv.hep-th/9807131 · pith_short_12: IDCQBAFKYWW6 · pith_short_16: IDCQBAFKYWW6UYIL · pith_short_8: IDCQBAFK

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/IDCQBAFKYWW6UYILGDNSLJLWUW \
  | 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: 40c50080aac5adea610b30db25a576a587188622285e286325874ac3765654f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29a47537594a1213fa955104f55213910ddb8c89d0ea24c178dfb09eab26881e",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1998-07-17T22:29:34Z",
    "title_canon_sha256": "bea0bd4d3f3f59dca2b5d1490f62ce37ea82ef71ab1c93c09935d7f8b65e0f4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9807131",
    "kind": "arxiv",
    "version": 1
  }
}