Pith Number

pith:TRFW2SZF

pith:1996:TRFW2SZF7B7CY2AWGTV6S3YRD7

not attested not anchored not stored refs pending

Fragmentation of the Primordial Gas Clouds and the Lower Limit on the Mass of the First Stars

Hajime Susa, Hideya Uehara, Masako Yamada, Ryoichi Nishi, Takashi Nakamura

arxiv:astro-ph/9610101 v1 · 1996-10-15 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TRFW2SZF7B7CY2AWGTV6S3YRD7}

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	2026-05-18T01:07:40.691517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c4b6d4b25f87e2c681634ebe96f111feb6b41ae680b83154822a1386e6feb84

Aliases

arxiv: astro-ph/9610101 · arxiv_version: astro-ph/9610101v1 · doi: 10.48550/arxiv.astro-ph/9610101 · pith_short_12: TRFW2SZF7B7C · pith_short_16: TRFW2SZF7B7CY2AW · pith_short_8: TRFW2SZF

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/TRFW2SZF7B7CY2AWGTV6S3YRD7 \
  | 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: 9c4b6d4b25f87e2c681634ebe96f111feb6b41ae680b83154822a1386e6feb84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74c0a6c6b2dc52be445e58949b346e5e3c596841dfdeaca88cb3a0ceb90df569",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-10-15T00:22:56Z",
    "title_canon_sha256": "b9b2f2e16ea0c10dd724da9bdab53a439754701a3d947bed030d7ee87c5b182d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9610101",
    "kind": "arxiv",
    "version": 1
  }
}