Pith Number

pith:NTNWOQAZ

pith:2008:NTNWOQAZ7ZMJD7EKLT4DKZVW2S

not attested not anchored not stored refs pending

The Formation of Distributed and Clustered Stars in Molecular Clouds

Aake Nordlund (Niels Bohr Institute), S. T. Megeath (U. Toledo), Zhi-Yun Li (U. Virginia)

arxiv:0801.0492 v1 · 2008-01-03 · 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{NTNWOQAZ7ZMJD7EKLT4DKZVW2S}

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	2026-07-04T15:06:35.995219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cdb674019fe5891fc8a5cf83566b6d483108816b421583c3c5f027daa0ed557

Aliases

arxiv: 0801.0492 · arxiv_version: 0801.0492v1 · doi: 10.48550/arxiv.0801.0492 · pith_short_12: NTNWOQAZ7ZMJ · pith_short_16: NTNWOQAZ7ZMJD7EK · pith_short_8: NTNWOQAZ

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/NTNWOQAZ7ZMJD7EKLT4DKZVW2S \
  | 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: 6cdb674019fe5891fc8a5cf83566b6d483108816b421583c3c5f027daa0ed557

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed6062c1ee26b816373dfa6053feea068d81bcd234d77ac36ecec2acd1f2b80d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-01-03T13:35:38Z",
    "title_canon_sha256": "a2d219d2bc8a0fa1cafc18b8e31c5443fa3130cb3e84169f7be912d82976bc1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.0492",
    "kind": "arxiv",
    "version": 1
  }
}