Pith Number

pith:7LSKIVQ2

pith:2011:7LSKIVQ25CCLQ7JGPZRVECVBFI

not attested not anchored not stored refs pending

Coupling M2-branes to background fields

Douglas J Smith, James P Allen

arxiv:1104.5397 v1 · 2011-04-28 · 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{7LSKIVQ25CCLQ7JGPZRVECVBFI}

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	2026-05-18T04:14:47.167096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fae4a4561ae884b87d267e63520aa12a2f1aa93dd0a27fe8b7d1a5543d4740bf

Aliases

arxiv: 1104.5397 · arxiv_version: 1104.5397v1 · doi: 10.48550/arxiv.1104.5397 · pith_short_12: 7LSKIVQ25CCL · pith_short_16: 7LSKIVQ25CCLQ7JG · pith_short_8: 7LSKIVQ2

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/7LSKIVQ25CCLQ7JGPZRVECVBFI \
  | 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: fae4a4561ae884b87d267e63520aa12a2f1aa93dd0a27fe8b7d1a5543d4740bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b4a7924865fe5020f379af2a9297b091d59fbf944968646fcc21b76b7c874df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2011-04-28T14:08:12Z",
    "title_canon_sha256": "c0ae8d01bac6010989b35d1a1937ed230dbbb65640c966383b4f03b7ca083c64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.5397",
    "kind": "arxiv",
    "version": 1
  }
}