Pith Number

pith:NR7OUZCA

pith:2018:NR7OUZCAZXMQ55SRGFUAOSL5TX

not attested not anchored not stored refs pending

Supergravity in the group-geometric framework: a primer

Leonardo Castellani

arxiv:1802.03407 v5 · 2018-02-09 · 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{NR7OUZCAZXMQ55SRGFUAOSL5TX}

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	2026-07-05T00:19:33.969437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c7eea6440cdd90ef651316807497d9df2946d9f6ce650983fdee78b2d094666

Aliases

arxiv: 1802.03407 · arxiv_version: 1802.03407v5 · doi: 10.48550/arxiv.1802.03407 · pith_short_12: NR7OUZCAZXMQ · pith_short_16: NR7OUZCAZXMQ55SR · pith_short_8: NR7OUZCA

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/NR7OUZCAZXMQ55SRGFUAOSL5TX \
  | 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: 6c7eea6440cdd90ef651316807497d9df2946d9f6ce650983fdee78b2d094666

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5baf775f2851352e066b17091a1b3150136eb433270949447de13209eb76a4c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-02-09T19:00:26Z",
    "title_canon_sha256": "ccb5eb2cf3d937fe788add0021fdf4956b6db1496643ca3eb243cbabd1be75ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.03407",
    "kind": "arxiv",
    "version": 5
  }
}