Pith Number

pith:4I7AENZE

pith:2003:4I7AENZEV7TP2RYS642IUI3MO4

not attested not anchored not stored refs pending

Kinematics, turbulence and evolution of planetary nebulae

Agnes Acker, Albert A. Zijlstra, Krzysztof Gesicki

arxiv:astro-ph/0301393 v1 · 2003-01-20 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4I7AENZEV7TP2RYS642IUI3MO4}

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	2026-07-04T15:18:04.188698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e23e023724afe6fd4712f7348a236c770b0c51609b20c4addd2f12f472524912

Aliases

arxiv: astro-ph/0301393 · arxiv_version: astro-ph/0301393v1 · doi: 10.48550/arxiv.astro-ph/0301393 · pith_short_12: 4I7AENZEV7TP · pith_short_16: 4I7AENZEV7TP2RYS · pith_short_8: 4I7AENZE

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/4I7AENZEV7TP2RYS642IUI3MO4 \
  | 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: e23e023724afe6fd4712f7348a236c770b0c51609b20c4addd2f12f472524912

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd85fce558147be695a0275d41ef4c0a620ab2d87ef1c3ede8ad7b5b809a0eb3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-01-20T18:26:50Z",
    "title_canon_sha256": "ac005feb95cdfada097cac2ce8c5d81863b6e0e3f25c43cfef6044bad94db8e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0301393",
    "kind": "arxiv",
    "version": 1
  }
}