Pith Number

pith:S2MA4YLG

pith:2007:S2MA4YLGEDCAGWLAVSTYKQSRAH

not attested not anchored not stored refs pending

Sigma Models with N=8 Supersymmetries in 2+1 and 1+1 Dimensions

Alexander D. Popov

arxiv:hep-th/0702106 v1 · 2007-02-14 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S2MA4YLGEDCAGWLAVSTYKQSRAH}

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	2026-07-04T15:16:40.635097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96980e616620c4035960aca785425101f612c2ea83dac13d7c3b30a94053154c

Aliases

arxiv: hep-th/0702106 · arxiv_version: hep-th/0702106v1 · doi: 10.48550/arxiv.hep-th/0702106 · pith_short_12: S2MA4YLGEDCA · pith_short_16: S2MA4YLGEDCAGWLA · pith_short_8: S2MA4YLG

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/S2MA4YLGEDCAGWLAVSTYKQSRAH \
  | 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: 96980e616620c4035960aca785425101f612c2ea83dac13d7c3b30a94053154c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e7f098916bc5e01d2a8633a2c613222c94124e8fc9d34fa28b3821258f61082",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2007-02-14T09:52:20Z",
    "title_canon_sha256": "3c99bbb0d1bf47247848f4477fd0409be3b1c3dfef478dea9875c54d7208d820"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0702106",
    "kind": "arxiv",
    "version": 1
  }
}