Pith Number

pith:7ARWYSDG

pith:2012:7ARWYSDG3SJ55UZ5O6HH2I27BL

not attested not anchored not stored refs pending

The effect of the environment on the Faber Jackson relation

Nicola Malavasi, Paola Focardi

arxiv:1207.2750 v1 · 2012-07-11 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ARWYSDG3SJ55UZ5O6HH2I27BL}

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	2026-05-18T01:56:25.024937Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8236c4866dc93ded33d778e7d235f0ac95d75ef2a0d35f03a1124415969ad24

Aliases

arxiv: 1207.2750 · arxiv_version: 1207.2750v1 · doi: 10.48550/arxiv.1207.2750 · pith_short_12: 7ARWYSDG3SJ5 · pith_short_16: 7ARWYSDG3SJ55UZ5 · pith_short_8: 7ARWYSDG

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/7ARWYSDG3SJ55UZ5O6HH2I27BL \
  | 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: f8236c4866dc93ded33d778e7d235f0ac95d75ef2a0d35f03a1124415969ad24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c48d072ca3769785a64a940a1ea1a86aea45196afedc7af23b97eba9b9301d03",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-11T19:27:59Z",
    "title_canon_sha256": "f348477da8c1073a8fdfe41f38e4e10299b171970c111ee70c79a85bdc4fd2bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2750",
    "kind": "arxiv",
    "version": 1
  }
}