Pith Number

pith:SPICTA5P

pith:2010:SPICTA5PEWGWBOONME6QGR3PC5

not attested not anchored not stored refs pending

Protostellar collapse of magneto-turbulent cloud cores: shape during collapse and outflow formation

Tomoaki Matsumoto, Tomoyuki Hanawa

arxiv:1008.3984 v2 · 2010-08-24 · 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{SPICTA5PEWGWBOONME6QGR3PC5}

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	2026-05-18T02:05:43.432573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93d02983af258d60b9cd613d03476f177d0e41ee6b97774e6ba0cef7a4f9b2c3

Aliases

arxiv: 1008.3984 · arxiv_version: 1008.3984v2 · doi: 10.48550/arxiv.1008.3984 · pith_short_12: SPICTA5PEWGW · pith_short_16: SPICTA5PEWGWBOON · pith_short_8: SPICTA5P

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/SPICTA5PEWGWBOONME6QGR3PC5 \
  | 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: 93d02983af258d60b9cd613d03476f177d0e41ee6b97774e6ba0cef7a4f9b2c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22baf502dec30876cadf52c071b47f849dc78a121d698fa81c3a3ceb2d3d20f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-08-24T08:25:47Z",
    "title_canon_sha256": "ac4552e8a381e3d53b45f38190b537e1396a554ffd3dc4e66e0e196592c7299b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.3984",
    "kind": "arxiv",
    "version": 2
  }
}