Pith Number

pith:3FCO7NVP

pith:2013:3FCO7NVPAJHG3G6RTB5IW4ZIXA

not attested not anchored not stored refs pending

Evidence of a discontinuous disk structure around the Herbig Ae star HD 139 614

Alexander Kreplin, Alexis Matter, Bruno Lopez, Gerd Weigelt, Joerg-Uwe Pott, Lucas Labadie, Sebastian Wolf, Steve Ertel, William C. Danchi

arxiv:1311.5131 v2 · 2013-11-20 · 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{3FCO7NVPAJHG3G6RTB5IW4ZIXA}

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	2026-05-18T01:46:12.082220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d944efb6af024e6d9bd1987a8b7328b81d3f69816ff596c6270172fb14c76b00

Aliases

arxiv: 1311.5131 · arxiv_version: 1311.5131v2 · doi: 10.48550/arxiv.1311.5131 · pith_short_12: 3FCO7NVPAJHG · pith_short_16: 3FCO7NVPAJHG3G6R · pith_short_8: 3FCO7NVP

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/3FCO7NVPAJHG3G6RTB5IW4ZIXA \
  | 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: d944efb6af024e6d9bd1987a8b7328b81d3f69816ff596c6270172fb14c76b00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce1653f1e9f19fe9d4eb8a211004e5c568892143fc7639346752faa56f5c7511",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-11-20T16:48:10Z",
    "title_canon_sha256": "779338d32a819ca0c28b9ffea89c32633c3d2e70e27e3f408fa604fa99a8947c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.5131",
    "kind": "arxiv",
    "version": 2
  }
}