Pith Number

pith:6UWLCGJE

pith:2009:6UWLCGJEGUBCK7VFZCPAVG4Y3P

not attested not anchored not stored refs pending

Wind-driving protostellar accretion discs. I. Formulation and parameter constraints

A. K\"onigl, M. Wardle, R. Salmeron

arxiv:0909.2396 v1 · 2009-09-13 · 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{6UWLCGJEGUBCK7VFZCPAVG4Y3P}

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	2026-05-18T02:11:48.435750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f52cb119243502257ea5c89e0a9b98dbdbbfc8ce8103ca544bf66c19cd033504

Aliases

arxiv: 0909.2396 · arxiv_version: 0909.2396v1 · doi: 10.48550/arxiv.0909.2396 · pith_short_12: 6UWLCGJEGUBC · pith_short_16: 6UWLCGJEGUBCK7VF · pith_short_8: 6UWLCGJE

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/6UWLCGJEGUBCK7VFZCPAVG4Y3P \
  | 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: f52cb119243502257ea5c89e0a9b98dbdbbfc8ce8103ca544bf66c19cd033504

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dea3b4573fc1069f4a611d41dab94ce0108a4e11ca7caaaa358ef830c79406b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-13T06:18:08Z",
    "title_canon_sha256": "a53476a9eecbf770ab8d700171278bb8940cb49c4ca86d01a043d2254eb51112"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2396",
    "kind": "arxiv",
    "version": 1
  }
}