Pith Number

pith:EPW3THXF

pith:2013:EPW3THXFB5CLSENZMPX3ZXDNOA

not attested not anchored not stored refs pending

Strange mode instability for micro-variations in Luminous Blue Variables

Cyril Georgy, Georges Meynet, Hideyuki Saio

arxiv:1305.4728 v1 · 2013-05-21 · 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{EPW3THXFB5CLSENZMPX3ZXDNOA}

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	2026-05-18T03:25:15.375511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23edb99ee50f44b911b963efbcdc6d7017760cb08c53b03e920957418a64b58c

Aliases

arxiv: 1305.4728 · arxiv_version: 1305.4728v1 · doi: 10.48550/arxiv.1305.4728 · pith_short_12: EPW3THXFB5CL · pith_short_16: EPW3THXFB5CLSENZ · pith_short_8: EPW3THXF

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/EPW3THXFB5CLSENZMPX3ZXDNOA \
  | 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: 23edb99ee50f44b911b963efbcdc6d7017760cb08c53b03e920957418a64b58c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba93ef6d124f44a7aa7ee3abae7e087b35e2ad556f9ae06623421cbb14d9136b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-05-21T06:38:19Z",
    "title_canon_sha256": "32842b3ae830d7bf3866842672addca4666d7f18eb9d8e2b35d302db2105b29a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4728",
    "kind": "arxiv",
    "version": 1
  }
}