Pith Number

pith:NBDQWWXR

pith:2015:NBDQWWXRWFKGPNC6DAS4EIVFLX

not attested not anchored not stored refs pending

Effects of Turbulent Viscosity on A Rotating Gas Ring Around A Black Hole: Results in Numerical Simulation

Hsiang-Kuang Chang, Kinsuk Giri

arxiv:1501.01770 v2 · 2015-01-08 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NBDQWWXRWFKGPNC6DAS4EIVFLX}

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	2026-05-18T01:14:45.608901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68470b5af1b15467b45e1825c222a55df90b6fe92e530cf7ec369fc65974870d

Aliases

arxiv: 1501.01770 · arxiv_version: 1501.01770v2 · doi: 10.48550/arxiv.1501.01770 · pith_short_12: NBDQWWXRWFKG · pith_short_16: NBDQWWXRWFKGPNC6 · pith_short_8: NBDQWWXR

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/NBDQWWXRWFKGPNC6DAS4EIVFLX \
  | 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: 68470b5af1b15467b45e1825c222a55df90b6fe92e530cf7ec369fc65974870d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0107a646bc25fab06f67ee26a447bf79ce129fc25e2525378d66212282a8349f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-01-08T09:09:46Z",
    "title_canon_sha256": "5ab4d7d4425008c136be405a367e029f41381964a4c8f77555cd1de219214a78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.01770",
    "kind": "arxiv",
    "version": 2
  }
}