Pith Number

pith:LJ6A4IO3

pith:2011:LJ6A4IO3JKRQW3F2ROFUBM6FNQ

not attested not anchored not stored refs pending

VLTI observations of the dust geometry around R Coronae Borealis stars

G.C. Clayton, I.C. Le\~ao, J. Nordhaus, J.S. Gallagher, O. Chesneau, O. De Marco, S.N. Bright

arxiv:1102.4147 v1 · 2011-02-21 · 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{LJ6A4IO3JKRQW3F2ROFUBM6FNQ}

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	2026-07-05T02:13:40.256115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a7c0e21db4aa30b6cba8b8b40b3c56c14907d188fef667980435559f1725b76

Aliases

arxiv: 1102.4147 · arxiv_version: 1102.4147v1 · doi: 10.48550/arxiv.1102.4147 · pith_short_12: LJ6A4IO3JKRQ · pith_short_16: LJ6A4IO3JKRQW3F2 · pith_short_8: LJ6A4IO3

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/LJ6A4IO3JKRQW3F2ROFUBM6FNQ \
  | 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: 5a7c0e21db4aa30b6cba8b8b40b3c56c14907d188fef667980435559f1725b76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b2b62743d6d7a06c7eb5c13ea9bf270b6c4efa855055347e91a52a988b4f9de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-02-21T06:48:58Z",
    "title_canon_sha256": "17210ba95eee3c1f304574b3092d26c78684124998496032108c1b3f1a838c16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4147",
    "kind": "arxiv",
    "version": 1
  }
}