Pith Number

pith:OEHEG6WX

pith:2008:OEHEG6WX7EWSH6S5R2IAQAJ7GZ

not attested not anchored not stored refs pending

The Shapes of Molecular Cloud Cores in Simulations and Observations

M. R. Krumholz (2) ((1) U. C. Berkeley (2) U. C. Santa Cruz), S. S. R. Offner (1)

arxiv:0811.2811 v2 · 2008-11-18 · 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{OEHEG6WX7EWSH6S5R2IAQAJ7GZ}

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	2026-05-18T04:29:25.003610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

710e437ad7f92d23fa5d8e9008013f364cc5ac40cc36c11b72a624b81bf3f12b

Aliases

arxiv: 0811.2811 · arxiv_version: 0811.2811v2 · doi: 10.48550/arxiv.0811.2811 · pith_short_12: OEHEG6WX7EWS · pith_short_16: OEHEG6WX7EWSH6S5 · pith_short_8: OEHEG6WX

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/OEHEG6WX7EWSH6S5R2IAQAJ7GZ \
  | 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: 710e437ad7f92d23fa5d8e9008013f364cc5ac40cc36c11b72a624b81bf3f12b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3557988e984e625a4ef2b0e259bd9416dbe32d20158cb8300af90cecaaee6f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-11-18T18:11:23Z",
    "title_canon_sha256": "ef7225f0704b8430fb98a74513e42326d148b6aba90ea414d51fc0e819087a2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.2811",
    "kind": "arxiv",
    "version": 2
  }
}