Pith Number

pith:CSF3C7FQ

pith:2011:CSF3C7FQ4P6TE6SH3JTWKTNYGB

not attested not anchored not stored refs pending

Critical Differences and Clues in Eta Car's 2009 Event

Andrea Mehner, Gary J. Ferland, John C. Martin, Kazunori Ishibashi, Kris Davidson, Roberta M. Humphreys

arxiv:1106.5869 v1 · 2011-06-29 · 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{CSF3C7FQ4P6TE6SH3JTWKTNYGB}

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	2026-05-18T02:01:27.129864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

148bb17cb0e3fd327a47da67654db83044348ee61277a3a270adfd6fcd22fb7e

Aliases

arxiv: 1106.5869 · arxiv_version: 1106.5869v1 · doi: 10.48550/arxiv.1106.5869 · pith_short_12: CSF3C7FQ4P6T · pith_short_16: CSF3C7FQ4P6TE6SH · pith_short_8: CSF3C7FQ

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/CSF3C7FQ4P6TE6SH3JTWKTNYGB \
  | 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: 148bb17cb0e3fd327a47da67654db83044348ee61277a3a270adfd6fcd22fb7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35924f096b8c90ad39722be5386dd9eb9a066ecb03b9d7595456337ff1cc8367",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-06-29T08:10:20Z",
    "title_canon_sha256": "bd293eae706a58a6b31f11ced84f1da154692627b2a97df7cbc0f9ccc5d9102a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.5869",
    "kind": "arxiv",
    "version": 1
  }
}