Pith Number

pith:QYNPP3WU

pith:2009:QYNPP3WUWGRPQ7D7X6FJGZQCTR

not attested not anchored not stored refs pending

Angular Momentum Transport in Protoplanetary and Black-Hole Accretion Disks: The Role of Parasitic Modes in the Saturation of MHD Turbulence

Martin E. Pessah (Institute for Advanced Study)

arxiv:0908.1791 v2 · 2009-08-13 · 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{QYNPP3WUWGRPQ7D7X6FJGZQCTR}

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	2026-05-18T03:55:01.840638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

861af7eed4b1a2f87c7fbf8a9366029c478762ad823ef059f701745832c6c77c

Aliases

arxiv: 0908.1791 · arxiv_version: 0908.1791v2 · doi: 10.48550/arxiv.0908.1791 · pith_short_12: QYNPP3WUWGRP · pith_short_16: QYNPP3WUWGRPQ7D7 · pith_short_8: QYNPP3WU

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/QYNPP3WUWGRPQ7D7X6FJGZQCTR \
  | 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: 861af7eed4b1a2f87c7fbf8a9366029c478762ad823ef059f701745832c6c77c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a84d66e5c1f121b86db4de4b31019fbe1ca2047b9103e3778bbe0073f7e590c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-08-13T18:19:23Z",
    "title_canon_sha256": "f8840610301daa485b9878322054b30b05faf064f0ca635c6328cd36f8739007"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.1791",
    "kind": "arxiv",
    "version": 2
  }
}