Pith Number

pith:OGNQYULC

pith:2022:OGNQYULCNLUD6TAUAZYQXGSYVL

not attested not anchored not stored refs pending

LYRA III: The smallest Reionization survivors

Christoph Pfrommer, Greg L. Bryan, R\"udiger Pakmor, Thales A. Gutcke, Thorsten Naab, Volker Springel

arxiv:2209.03366 v1 · 2022-09-07 · 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{OGNQYULCNLUD6TAUAZYQXGSYVL}

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	2026-07-05T05:26:48.822572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

719b0c51626ae83f4c1406710b9a58aaefc55379bbdc6dedf3f4a27a7e719925

Aliases

arxiv: 2209.03366 · arxiv_version: 2209.03366v1 · doi: 10.48550/arxiv.2209.03366 · pith_short_12: OGNQYULCNLUD · pith_short_16: OGNQYULCNLUD6TAU · pith_short_8: OGNQYULC

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/OGNQYULCNLUD6TAUAZYQXGSYVL \
  | 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: 719b0c51626ae83f4c1406710b9a58aaefc55379bbdc6dedf3f4a27a7e719925

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3080f29839a698ba3be86059b68ac0b0d1555dcb1acb5f60116919a309b128d1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-09-07T18:00:01Z",
    "title_canon_sha256": "2509257dde16afc6e522842a88347b5e6301591cab99ff98c7ea2c8e78f74b38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.03366",
    "kind": "arxiv",
    "version": 1
  }
}