Pith Number

pith:B3S2FUQO

pith:2017:B3S2FUQOATDVSLY36Y2FPZSVMA

not attested not anchored not stored refs pending

On the effect of Lyman alpha trapping during the initial collapse of massive black hole seeds

John Wise, Qi Ge

arxiv:1706.01467 v2 · 2017-06-05 · 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{B3S2FUQOATDVSLY36Y2FPZSVMA}

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	2026-05-18T00:33:17.677822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ee5a2d20e04c7592f1bf63457e6556035daf7014cf1602a9e1cbd50d465f1ff

Aliases

arxiv: 1706.01467 · arxiv_version: 1706.01467v2 · doi: 10.48550/arxiv.1706.01467 · pith_short_12: B3S2FUQOATDV · pith_short_16: B3S2FUQOATDVSLY3 · pith_short_8: B3S2FUQO

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/B3S2FUQOATDVSLY36Y2FPZSVMA \
  | 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: 0ee5a2d20e04c7592f1bf63457e6556035daf7014cf1602a9e1cbd50d465f1ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d58a2ceaa72e1e95c8cf49ad32971b8b7592b9efce08cd742fae6987b2ded3f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-06-05T18:00:02Z",
    "title_canon_sha256": "0f42c20c4d8f44a082e31c2153057924ac5fdebfda5d4524f7c6aa58c08801b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.01467",
    "kind": "arxiv",
    "version": 2
  }
}