Pith Number

pith:NN5SQJNM

pith:2005:NN5SQJNMWCQIVQPL4TZVMQ7C6R

not attested not anchored not stored refs pending

Triggered Star Formation in the Orion Bright-Rimmed Clouds

Hsu-Tai Lee, Jing-Yao Hu, W. P. Chen, Zhi-Wei Zhang

arxiv:astro-ph/0502061 v1 · 2005-02-03 · 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{NN5SQJNMWCQIVQPL4TZVMQ7C6R}

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	2026-07-04T16:50:45.728830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b7b2825acb0a08ac1ebe4f35643e2f447754cbf6cde80ae13f0b7df146a2888

Aliases

arxiv: astro-ph/0502061 · arxiv_version: astro-ph/0502061v1 · doi: 10.48550/arxiv.astro-ph/0502061 · pith_short_12: NN5SQJNMWCQI · pith_short_16: NN5SQJNMWCQIVQPL · pith_short_8: NN5SQJNM

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/NN5SQJNMWCQIVQPL4TZVMQ7C6R \
  | 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: 6b7b2825acb0a08ac1ebe4f35643e2f447754cbf6cde80ae13f0b7df146a2888

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "878d92c5aba0ae73ac6891c1e3188057e7efedfe24c9796e150e5e976b088171",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-02-03T09:26:12Z",
    "title_canon_sha256": "deaa6e72c7ab5a2bf122d0856c3aca9a7f38ea7fe78f94a0069bce4d9611774f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0502061",
    "kind": "arxiv",
    "version": 1
  }
}