Pith Number

pith:JWX4MXOZ

pith:2012:JWX4MXOZ6DXNLOOUGKAAPNBJFT

not attested not anchored not stored refs pending

Instabilities in the Ionization Zones Around the First Stars

A. O. Razoumov, E. I. Vorobyov, E. O. Vasiliev, Yu. A. Shchekinov

arxiv:1207.7215 v1 · 2012-07-31 · astro-ph.CO · 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{JWX4MXOZ6DXNLOOUGKAAPNBJFT}

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	2026-05-18T03:49:46.487777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4dafc65dd9f0eed5b9d4328007b4292ce8db4d73ccc8630302cba184db96d905

Aliases

arxiv: 1207.7215 · arxiv_version: 1207.7215v1 · doi: 10.48550/arxiv.1207.7215 · pith_short_12: JWX4MXOZ6DXN · pith_short_16: JWX4MXOZ6DXNLOOU · pith_short_8: JWX4MXOZ

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/JWX4MXOZ6DXNLOOUGKAAPNBJFT \
  | 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: 4dafc65dd9f0eed5b9d4328007b4292ce8db4d73ccc8630302cba184db96d905

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73ef7a705ff8bf78a4e5b7602ee5d97b4a5a69d0fd0d6bca5e7c7ca945245f49",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-31T12:06:41Z",
    "title_canon_sha256": "8980cafe886771f9ce98ab3456ebb384211f9c376dbf1464c7bfe466aaea762c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.7215",
    "kind": "arxiv",
    "version": 1
  }
}