Pith Number

pith:VYFBTTCC

pith:2009:VYFBTTCCD3Y7ASLK6SGTB7R4VJ

not attested not anchored not stored refs pending

The Shape of an Accretion Disc in a Misaligned Black Hole Binary

Christopher A. Tout, J. E. Pringle, Rebecca G. Martin

arxiv:0907.5142 v1 · 2009-07-29 · 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{VYFBTTCCD3Y7ASLK6SGTB7R4VJ}

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	2026-05-18T02:12:46.536983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae0a19cc421ef1f0496af48d30fe3caa6e592ee5a23ff7ccb0d37f84cb2b527b

Aliases

arxiv: 0907.5142 · arxiv_version: 0907.5142v1 · doi: 10.48550/arxiv.0907.5142 · pith_short_12: VYFBTTCCD3Y7 · pith_short_16: VYFBTTCCD3Y7ASLK · pith_short_8: VYFBTTCC

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/VYFBTTCCD3Y7ASLK6SGTB7R4VJ \
  | 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: ae0a19cc421ef1f0496af48d30fe3caa6e592ee5a23ff7ccb0d37f84cb2b527b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f495072273c09ea36b438b159e519d46ead37f387b130ee42e4a6063ae9f3ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-07-29T14:21:10Z",
    "title_canon_sha256": "88a3a67b97226dd148d3b2d5fe4be7650a37a8bd5c7c022789ad0df84984755d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.5142",
    "kind": "arxiv",
    "version": 1
  }
}