Pith Number

pith:SPVTJ2LA

pith:2014:SPVTJ2LAPSZS622L5ORT6TC5EY

not attested not anchored not stored refs pending

Dust Production Factories in the Early Universe: Formation of Carbon Grains in Red-supergiant Winds of Very Massive Population III Stars

Keiichi Maeda, Ken'ichi Nomoto, Norbert Langer, Sung-Chul Yoon, Takashi Kozasa, Takaya Nozawa

arxiv:1404.5391 v1 · 2014-04-22 · 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{SPVTJ2LAPSZS622L5ORT6TC5EY}

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	2026-05-18T01:43:26.525303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93eb34e9607cb32f6b4beba33f4c5d2635af5a2c3a5555a10ccebcda66672b58

Aliases

arxiv: 1404.5391 · arxiv_version: 1404.5391v1 · doi: 10.48550/arxiv.1404.5391 · pith_short_12: SPVTJ2LAPSZS · pith_short_16: SPVTJ2LAPSZS622L · pith_short_8: SPVTJ2LA

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/SPVTJ2LAPSZS622L5ORT6TC5EY \
  | 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: 93eb34e9607cb32f6b4beba33f4c5d2635af5a2c3a5555a10ccebcda66672b58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11c0bd7a90675052abbd2d1da0ea196f37f9c48afb662f1dd2525bfc94bf858f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-04-22T06:52:38Z",
    "title_canon_sha256": "0f64a7de0b5bbffd1bee6c6bbd8f426cf5d1ef64b082bd0f41228d80724b4de4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5391",
    "kind": "arxiv",
    "version": 1
  }
}