Pith Number

pith:IN6ETD6W

pith:2015:IN6ETD6WQRBH6E54F2GKMWDEEE

not attested not anchored not stored refs pending

LX Cygni: A carbon star is born

1), (2) Department of Physics, (3) National Optical Astronomy Observatory, (4) ESO Chile, (5) Institut f\"ur Physik, Arizona, Astronomy, Austria, Austria), B. Aringer (2, Department of Astrophysics, Graz, Italy, K. Hinkle (3), L. Guzman-Ramirez (4), Padova, R. Greimel (5) ((1) University of Vienna, R. R. Joyce (3), S. Meingast (1), S. Uttenthaler (1), T. Lebzelter (1), Tucson, Universit\"at Graz, University of Padova, USA, Vienna

arxiv:1511.02159 v2 · 2015-11-06 · 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{IN6ETD6WQRBH6E54F2GKMWDEEE}

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	2026-05-18T01:22:58.342496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

437c498fd684427f13bc2e8ca6586421229ed390577e138c0acb9d8cdf089b9a

Aliases

arxiv: 1511.02159 · arxiv_version: 1511.02159v2 · doi: 10.48550/arxiv.1511.02159 · pith_short_12: IN6ETD6WQRBH · pith_short_16: IN6ETD6WQRBH6E54 · pith_short_8: IN6ETD6W

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/IN6ETD6WQRBH6E54F2GKMWDEEE \
  | 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: 437c498fd684427f13bc2e8ca6586421229ed390577e138c0acb9d8cdf089b9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aef09ac15992ddc2ff6619767c119c259013da66112d482d58b3717505ce6e6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-11-06T17:08:05Z",
    "title_canon_sha256": "e66525557503acea98a448e44d20ba15b722a03dbe92bcc1638fa8156ec2c1a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.02159",
    "kind": "arxiv",
    "version": 2
  }
}