Pith Number

pith:PNTGUJQB

pith:2016:PNTGUJQBG4HTZKXY7Y3BM2RBJF

not attested not anchored not stored refs pending

A viscous-convective instability in laminar Keplerian thin discs

Konstantin Malanchev, Konstantin Postnov, Nikolai Shakura

arxiv:1603.04878 v3 · 2016-03-15 · astro-ph.HE · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PNTGUJQBG4HTZKXY7Y3BM2RBJF}

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	2026-05-18T00:50:52.294499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b666a2601370f3caaf8fe36166a21496944e454aca5349cdf3f25b008f1e91a

Aliases

arxiv: 1603.04878 · arxiv_version: 1603.04878v3 · doi: 10.48550/arxiv.1603.04878 · pith_short_12: PNTGUJQBG4HT · pith_short_16: PNTGUJQBG4HTZKXY · pith_short_8: PNTGUJQB

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/PNTGUJQBG4HTZKXY7Y3BM2RBJF \
  | 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: 7b666a2601370f3caaf8fe36166a21496944e454aca5349cdf3f25b008f1e91a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18a219883883ba9125bbe76499c157189758c58db6861a637aa82f35ad0a52bf",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-03-15T20:33:02Z",
    "title_canon_sha256": "e8df0db521de9339d84e9a9741eb32a3e5ce3416fb1e11bc35512960e946a254"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.04878",
    "kind": "arxiv",
    "version": 3
  }
}