Pith Number

pith:GDZVUH2Z

pith:2012:GDZVUH2Z2WIRD2CGW3GWQ7DYIO

not attested not anchored not stored refs pending

Axisymmetric Bondi-Hoyle accretion onto a Schwarzschild Black Hole: shock cone vibrations

F. D. Lora-Clavijo, F. S. Guzman

arxiv:1212.2139 v1 · 2012-12-10 · 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{GDZVUH2Z2WIRD2CGW3GWQ7DYIO}

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	2026-05-18T03:28:29.213639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30f35a1f59d59111e846b6cd687c7843802e1d937d311a06678f238649053919

Aliases

arxiv: 1212.2139 · arxiv_version: 1212.2139v1 · doi: 10.48550/arxiv.1212.2139 · pith_short_12: GDZVUH2Z2WIR · pith_short_16: GDZVUH2Z2WIRD2CG · pith_short_8: GDZVUH2Z

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/GDZVUH2Z2WIRD2CGW3GWQ7DYIO \
  | 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: 30f35a1f59d59111e846b6cd687c7843802e1d937d311a06678f238649053919

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8964a66d8e81acc9b6c7b21f510cbae41b93adffa41ec3d30d1f065332ad5e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-12-10T17:19:02Z",
    "title_canon_sha256": "c886f41c87c645fa5240cbdf117daa9c06e36566d352055caa86a743c2584a05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.2139",
    "kind": "arxiv",
    "version": 1
  }
}