Pith Number

pith:DLUFU5KQ

pith:2009:DLUFU5KQNHFPLO6BC7DPB5LY6T

not attested not anchored not stored refs pending

Accretion disks around massive stars: Hydrodynamic structure, stability and dust sublimation

B.Vaidya, C.Fendt, H.Beuther

arxiv:0906.5493 v1 · 2009-06-30 · 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{DLUFU5KQNHFPLO6BC7DPB5LY6T}

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	2026-07-04T15:47:57.537001Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ae85a755069caf5bbc117c6f0f578f4e7cd92e5603bdf4791b2b3b4969f9931

Aliases

arxiv: 0906.5493 · arxiv_version: 0906.5493v1 · doi: 10.48550/arxiv.0906.5493 · pith_short_12: DLUFU5KQNHFP · pith_short_16: DLUFU5KQNHFPLO6B · pith_short_8: DLUFU5KQ

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/DLUFU5KQNHFPLO6BC7DPB5LY6T \
  | 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: 1ae85a755069caf5bbc117c6f0f578f4e7cd92e5603bdf4791b2b3b4969f9931

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d868437a114a73ef264d61eab0136373b7c8e95a2c2520cd9310fec95c7dac7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-06-30T11:55:48Z",
    "title_canon_sha256": "74ea9a6d17f2c5b74cf72b28988252ac6b7f2968a07cbb310091c8ccb5f190f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.5493",
    "kind": "arxiv",
    "version": 1
  }
}