Pith Number

pith:SC32GBRS

pith:1997:SC32GBRS2JA4WKXIZ4N5O2URKN

not attested not anchored not stored refs pending

On the difficulty of launching an outflow from an accretion disk

2), (2) Institute of Astronomy, Cambridge), Gordon I. Ogilvie (1, Mario Livio (1) ((1) Space Telescope Science Institute

arxiv:astro-ph/9712150 v1 · 1997-12-11 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SC32GBRS2JA4WKXIZ4N5O2URKN}

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	2026-05-18T01:40:14.785489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90b7a30632d241cb2ae8cf1bd76a91534615b9c334fe9325d3ee249daab797ee

Aliases

arxiv: astro-ph/9712150 · arxiv_version: astro-ph/9712150v1 · doi: 10.48550/arxiv.astro-ph/9712150 · pith_short_12: SC32GBRS2JA4 · pith_short_16: SC32GBRS2JA4WKXI · pith_short_8: SC32GBRS

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/SC32GBRS2JA4WKXIZ4N5O2URKN \
  | 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: 90b7a30632d241cb2ae8cf1bd76a91534615b9c334fe9325d3ee249daab797ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4426e7a5ad08af226a869aa91ad5a43e4aa884c8fcb3d35d48bf0356566d3d4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-12-11T12:46:07Z",
    "title_canon_sha256": "e3200fd95aa701eb7043013f3c1998789146b20dc93210be44fb488be459edfb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9712150",
    "kind": "arxiv",
    "version": 1
  }
}