Pith Number

pith:B4XIWILZ

pith:2007:B4XIWILZYX5NDD4YF4RU6XYAFY

not attested not anchored not stored refs pending

Kinematic Structure of the Orion Nebula Cluster and its Surroundings

Andrew H. Szentgyorgyi, Erika T. Hamden, Gabor Furesz, Lee W. Hartmann, S. Thomas Megeath

arxiv:0711.0391 v1 · 2007-11-02 · 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{B4XIWILZYX5NDD4YF4RU6XYAFY}

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	2026-07-04T17:06:30.571777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f2e8b2179c5fad18f982f234f5f002e3ba678344933ac9215c92bdce4831ac3

Aliases

arxiv: 0711.0391 · arxiv_version: 0711.0391v1 · doi: 10.48550/arxiv.0711.0391 · pith_short_12: B4XIWILZYX5N · pith_short_16: B4XIWILZYX5NDD4Y · pith_short_8: B4XIWILZ

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/B4XIWILZYX5NDD4YF4RU6XYAFY \
  | 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: 0f2e8b2179c5fad18f982f234f5f002e3ba678344933ac9215c92bdce4831ac3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d5c7efdd52ed3d359ac74d052dcd833279f8e649eb86f190a9ff14cbab92ef7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-11-02T20:30:48Z",
    "title_canon_sha256": "d5c5c1d2c77b6cb58e0af669a3cb66704c9ddbceddd99ee282df6fc634098069"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0711.0391",
    "kind": "arxiv",
    "version": 1
  }
}