Pith Number

pith:4VY6GDPA

pith:2015:4VY6GDPAU7NTKQ6OSPMJTXCZRA

not attested not anchored not stored refs pending

A Granulation "Flicker"-based Measure of Stellar Surface Gravity

Fabienne A. Bastien, Gibor Basri, Joshua Pepper, Keivan G. Stassun

arxiv:1512.03454 v1 · 2015-12-10 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4VY6GDPAU7NTKQ6OSPMJTXCZRA}

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	2026-05-18T01:20:41.128574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e571e30de0a7db3543ce93d899dc598823ec0f76d14c012d363141e72e158e42

Aliases

arxiv: 1512.03454 · arxiv_version: 1512.03454v1 · doi: 10.48550/arxiv.1512.03454 · pith_short_12: 4VY6GDPAU7NT · pith_short_16: 4VY6GDPAU7NTKQ6O · pith_short_8: 4VY6GDPA

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/4VY6GDPAU7NTKQ6OSPMJTXCZRA \
  | 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: e571e30de0a7db3543ce93d899dc598823ec0f76d14c012d363141e72e158e42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0dfe04c935609c7c85e40749c0a51668dec5b1625d4a7aff09b650dcddbaa117",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-12-10T21:35:49Z",
    "title_canon_sha256": "3149841134dc45821c928cc85a76f1ca17ee92ca4debe9cbaf3acf6a940548df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.03454",
    "kind": "arxiv",
    "version": 1
  }
}