Pith Number

pith:SJWXXL4O

pith:1992:SJWXXL4OGYUAIGTALTF4KXDXQW

not attested not anchored not stored refs pending

Generalized Spin Systems and $\sigma$--Models

Abdus Salam, J. Strathdee, S. Randjbar--Daemi

arxiv:hep-th/9210145 v2 · 1992-10-28 · hep-th · cond-mat

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SJWXXL4OGYUAIGTALTF4KXDXQW}

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	2026-05-18T04:37:43.837620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

926d7baf8e3628041a605ccbc55c7785ab9e716ad68c8cb1172c8bf6b1b148d6

Aliases

arxiv: hep-th/9210145 · arxiv_version: hep-th/9210145v2 · doi: 10.48550/arxiv.hep-th/9210145 · pith_short_12: SJWXXL4OGYUA · pith_short_16: SJWXXL4OGYUAIGTA · pith_short_8: SJWXXL4O

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/SJWXXL4OGYUAIGTALTF4KXDXQW \
  | 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: 926d7baf8e3628041a605ccbc55c7785ab9e716ad68c8cb1172c8bf6b1b148d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b95a598829e5ce7612222b280e7e9fb0045d976d85a93bfc467da675c4ac11ba",
    "cross_cats_sorted": [
      "cond-mat"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1992-10-28T16:22:00Z",
    "title_canon_sha256": "86878e1117e297ddfbc85947abfeb40cbb8698a928b3f715719e949c8e4c6c1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9210145",
    "kind": "arxiv",
    "version": 2
  }
}