Pith Number

pith:TJNBZD7T

pith:2009:TJNBZD7TWCQ3JVF6UFYURVCN6U

not attested not anchored not stored refs pending

B[e] stars at the highest angular resolution: the case of HD87643

Anthony Meilland (MPIFR), Florentin Millour (MPIFR), Marcelo Borges Fernandes (FIZEAU), Olivier Chesneau (FIZEAU)

arxiv:0910.2155 v1 · 2009-10-12 · 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{TJNBZD7TWCQ3JVF6UFYURVCN6U}

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	2026-05-18T00:56:58.576340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a5a1c8ff3b0a1b4d4bea17148d44df533fc9d74ddf164ba8dd4070ee107ab9b

Aliases

arxiv: 0910.2155 · arxiv_version: 0910.2155v1 · doi: 10.48550/arxiv.0910.2155 · pith_short_12: TJNBZD7TWCQ3 · pith_short_16: TJNBZD7TWCQ3JVF6 · pith_short_8: TJNBZD7T

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/TJNBZD7TWCQ3JVF6UFYURVCN6U \
  | 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: 9a5a1c8ff3b0a1b4d4bea17148d44df533fc9d74ddf164ba8dd4070ee107ab9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb97c2ba1d4f76a0f9f846ffdfe64ac65380c470bdb2d045c08c48ed94bb6991",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-10-12T12:50:55Z",
    "title_canon_sha256": "8488ae4aa2e62cc7c63a1ed376449d62eb9bc62df4681fdbf2945057680a3144"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.2155",
    "kind": "arxiv",
    "version": 1
  }
}