Pith Number

pith:54DCQH5Y

pith:2013:54DCQH5YMID6JPACYHDZ2M3U5J

not attested not anchored not stored refs pending

Misaligned streamers around a galactic centre black hole from a single cloud's infall

(2) Lund University, (3) University of Edinburgh), Ian A. Bonnell (1), Ken Rice (3) ((1) University of St Andrews, Melvyn B. Davies (2), William E. Lucas (1)

arxiv:1305.0012 v1 · 2013-04-30 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{54DCQH5YMID6JPACYHDZ2M3U5J}

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	2026-05-18T01:50:13.872911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef06281fb86207e4bc02c1c79d3374ea62f3ca8baaca0b7357c71734050fb8de

Aliases

arxiv: 1305.0012 · arxiv_version: 1305.0012v1 · doi: 10.48550/arxiv.1305.0012 · pith_short_12: 54DCQH5YMID6 · pith_short_16: 54DCQH5YMID6JPAC · pith_short_8: 54DCQH5Y

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/54DCQH5YMID6JPACYHDZ2M3U5J \
  | 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: ef06281fb86207e4bc02c1c79d3374ea62f3ca8baaca0b7357c71734050fb8de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7b942f8736dce1e3480b6426dd297b6bff081f390c43de13579f8e939ea2872",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-04-30T20:00:43Z",
    "title_canon_sha256": "8a8f202816c5de6ec75d9c3ebf0506179f7210976fa0c62f96fc42a7a3816978"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0012",
    "kind": "arxiv",
    "version": 1
  }
}