Pith Number

pith:6FWQFALW

pith:2010:6FWQFALWFECE2G6JXYULTKK4NE

not attested not anchored not stored refs pending

Presupernova Structure of Massive Stars

Casey A. Meakin, David Arnett, Tuguldur Sukhbold

arxiv:1006.0513 v1 · 2010-06-02 · 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{6FWQFALWFECE2G6JXYULTKK4NE}

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	2026-05-18T02:07:05.389976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f16d02817629044d1bc9be28b9a95c6939f9259612eeddd1717de0237dde206c

Aliases

arxiv: 1006.0513 · arxiv_version: 1006.0513v1 · doi: 10.48550/arxiv.1006.0513 · pith_short_12: 6FWQFALWFECE · pith_short_16: 6FWQFALWFECE2G6J · pith_short_8: 6FWQFALW

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/6FWQFALWFECE2G6JXYULTKK4NE \
  | 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: f16d02817629044d1bc9be28b9a95c6939f9259612eeddd1717de0237dde206c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfe279a62aacff8c4744d8a950771d151e49ab7ea41fb31282e5aadf36674324",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-06-02T22:30:16Z",
    "title_canon_sha256": "b87d4a7a4caaf9d1a9b77d780fcc1e14a5ff0f7b27822079f4c68294a6c64078"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.0513",
    "kind": "arxiv",
    "version": 1
  }
}