Pith Number

pith:6LEGA4S5

pith:2016:6LEGA4S5CGCINOQAIG3ZEPYYM4

not attested not anchored not stored refs pending

Limits on Pop III star formation with the most iron-poor stars

K. Omukai, M. de Bennassuti, R. Schneider, R. Valiante, S. Salvadori

arxiv:1610.05777 v2 · 2016-10-18 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6LEGA4S5CGCINOQAIG3ZEPYYM4}

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	2026-05-18T00:55:06.906903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2c860725d118486ba0041b7923f18672634d5f99845e8b20b35a22563d05f17

Aliases

arxiv: 1610.05777 · arxiv_version: 1610.05777v2 · doi: 10.48550/arxiv.1610.05777 · pith_short_12: 6LEGA4S5CGCI · pith_short_16: 6LEGA4S5CGCINOQA · pith_short_8: 6LEGA4S5

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/6LEGA4S5CGCINOQAIG3ZEPYYM4 \
  | 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: f2c860725d118486ba0041b7923f18672634d5f99845e8b20b35a22563d05f17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfb34693a7612ef7fe33ed6949196ba0146a3feb31f54d88522206bb1eca5363",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-10-18T20:00:10Z",
    "title_canon_sha256": "86ebde4c4902b63fad23165f0daba9d2dd01399f4fc6f1f3b98fb47794c504c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.05777",
    "kind": "arxiv",
    "version": 2
  }
}