Pith Number

pith:MNO6INTB

pith:2013:MNO6INTB7SFGJORGXJK2RSRPI3

not attested not anchored not stored refs pending

The Origin and Pulsations of Extreme Helium Stars

C. Simon Jeffery

arxiv:1311.1635 v1 · 2013-11-07 · 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{MNO6INTB7SFGJORGXJK2RSRPI3}

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	2026-05-18T01:46:33.327690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

635de43661fc8a64ba26ba55a8ca2f46f81a1eabd4faab2331dbf6ce5fd4dc8e

Aliases

arxiv: 1311.1635 · arxiv_version: 1311.1635v1 · doi: 10.48550/arxiv.1311.1635 · pith_short_12: MNO6INTB7SFG · pith_short_16: MNO6INTB7SFGJORG · pith_short_8: MNO6INTB

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/MNO6INTB7SFGJORGXJK2RSRPI3 \
  | 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: 635de43661fc8a64ba26ba55a8ca2f46f81a1eabd4faab2331dbf6ce5fd4dc8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9407e4375ca65380eb0a638529ad47f333814574f6b98a76721b24aac3e163d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-11-07T10:48:39Z",
    "title_canon_sha256": "33d287f758a4863fba49739b54a738b0769dd63f4359cf9ef14d76ea71944aa7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1635",
    "kind": "arxiv",
    "version": 1
  }
}