Pith Number

pith:GU22FTYG

pith:2011:GU22FTYGTXC3OZUO7AXVUC43MQ

not attested not anchored not stored refs pending

Spin down of protostars through gravitational torques

Kaitlin M. Kratter, Mark R. Krumholz, Min-Kai Lin

arxiv:1105.3205 v2 · 2011-05-16 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GU22FTYGTXC3OZUO7AXVUC43MQ}

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	2026-05-18T02:01:57.651297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3535a2cf069dc5b7668ef82f5a0b9b642a6d5a6c7fe8e680a68ad713a5e7f47f

Aliases

arxiv: 1105.3205 · arxiv_version: 1105.3205v2 · doi: 10.48550/arxiv.1105.3205 · pith_short_12: GU22FTYGTXC3 · pith_short_16: GU22FTYGTXC3OZUO · pith_short_8: GU22FTYG

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/GU22FTYGTXC3OZUO7AXVUC43MQ \
  | 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: 3535a2cf069dc5b7668ef82f5a0b9b642a6d5a6c7fe8e680a68ad713a5e7f47f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd2971208c57d8dc5a30129182fb28cae27e03f9d991a502cf505d22e8842750",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-05-16T20:05:48Z",
    "title_canon_sha256": "ade5f313ffddadf6f6c051d356a46eef2cd9ebeb77718dd2624f1b5cac7db3e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.3205",
    "kind": "arxiv",
    "version": 2
  }
}