Pith Number

pith:GB4SM7EK

pith:2010:GB4SM7EKM62NOL7T64HCK4ZF76

not attested not anchored not stored refs pending

Circumventing the radiation pressure barrier in the formation of massive stars via disk accretion

Henrik Beuther, Hubert Klahr, Rolf Kuiper, Thomas Henning

arxiv:1008.4516 v1 · 2010-08-26 · 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{GB4SM7EKM62NOL7T64HCK4ZF76}

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	2026-05-18T04:39:58.985098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3079267c8a67b4d72ff3f70e257325ff83186499adbb1713f65935fd3154aa15

Aliases

arxiv: 1008.4516 · arxiv_version: 1008.4516v1 · doi: 10.48550/arxiv.1008.4516 · pith_short_12: GB4SM7EKM62N · pith_short_16: GB4SM7EKM62NOL7T · pith_short_8: GB4SM7EK

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/GB4SM7EKM62NOL7T64HCK4ZF76 \
  | 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: 3079267c8a67b4d72ff3f70e257325ff83186499adbb1713f65935fd3154aa15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63fdd5ac322ce5aea15e9a0e485ee66023266dd1d916ae10a9af7b18473a20bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-08-26T14:04:27Z",
    "title_canon_sha256": "56d6bb6c13c0a4300d2c9238fafd68ac9621e324d8f5d224a13be5a844af3f01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.4516",
    "kind": "arxiv",
    "version": 1
  }
}