Pith Number

pith:CQZTEXEI

pith:2009:CQZTEXEIK3YYIRG4S2NBBXR6GO

not attested not anchored not stored refs pending

Evidence of grain growth in the disk of the bipolar proto-planetary nebula M 1--92

K. Murakawa, M. Meixner, T. Ueta

arxiv:0911.5626 v1 · 2009-11-30 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CQZTEXEIK3YYIRG4S2NBBXR6GO}

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	2026-05-18T02:10:35.614229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1433325c8856f18444dc969a10de3e33ac97944352943a6ff44810871ef25436

Aliases

arxiv: 0911.5626 · arxiv_version: 0911.5626v1 · doi: 10.48550/arxiv.0911.5626 · pith_short_12: CQZTEXEIK3YY · pith_short_16: CQZTEXEIK3YYIRG4 · pith_short_8: CQZTEXEI

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/CQZTEXEIK3YYIRG4S2NBBXR6GO \
  | 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: 1433325c8856f18444dc969a10de3e33ac97944352943a6ff44810871ef25436

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbedefceb6d15360ab6574a703151cf123904366d353ba3d55852490cf7c261d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-11-30T12:37:21Z",
    "title_canon_sha256": "6f0d07305415111ba0627959a48ba0748d5c1f7860f121fa54c2454bce21b9ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.5626",
    "kind": "arxiv",
    "version": 1
  }
}