Pith Number

pith:B5YFLMLL

pith:2011:B5YFLMLLYYS6E4N5SEOYC2QG7U

not attested not anchored not stored refs pending

Observing Dark Stars with JWST

Cosmin Ilie, Ilian T. Iliev, Katherine Freese, Monica Valluri, Paul Shapiro

arxiv:1110.6202 v2 · 2011-10-27 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B5YFLMLLYYS6E4N5SEOYC2QG7U}

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	2026-05-18T00:59:59.405435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f7055b16bc625e271bd911d816a06fd29877a3acd61b999db04279d55b84488

Aliases

arxiv: 1110.6202 · arxiv_version: 1110.6202v2 · doi: 10.48550/arxiv.1110.6202 · pith_short_12: B5YFLMLLYYS6 · pith_short_16: B5YFLMLLYYS6E4N5 · pith_short_8: B5YFLMLL

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/B5YFLMLLYYS6E4N5SEOYC2QG7U \
  | 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: 0f7055b16bc625e271bd911d816a06fd29877a3acd61b999db04279d55b84488

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e80c26d77a3396f0b056d46611161de09ab694ab9b6f00d8a70a553aed151e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-10-27T21:49:22Z",
    "title_canon_sha256": "ab2da7d7f5ade88bb210639f950249b8c05f6e4b02309e411b50b8954e1eebbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.6202",
    "kind": "arxiv",
    "version": 2
  }
}