Pith Number

pith:T35OSPZI

pith:2013:T35OSPZIWMSZP3HQGSFWVLEKUB

not attested not anchored not stored refs pending

Retrograde versus prograde models of accreting black holes

David Garofalo

arxiv:1304.3397 v1 · 2013-04-11 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T35OSPZIWMSZP3HQGSFWVLEKUB}

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	2026-05-18T01:50:33.757406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9efae93f28b32597ecf0348b6aac8aa07f6f08c96c73858c3223e9ed5a8685d5

Aliases

arxiv: 1304.3397 · arxiv_version: 1304.3397v1 · doi: 10.48550/arxiv.1304.3397 · pith_short_12: T35OSPZIWMSZ · pith_short_16: T35OSPZIWMSZP3HQ · pith_short_8: T35OSPZI

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/T35OSPZIWMSZP3HQGSFWVLEKUB \
  | 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: 9efae93f28b32597ecf0348b6aac8aa07f6f08c96c73858c3223e9ed5a8685d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75894d549a4a4a942424588b20079a4a64066b5a6ed1a12cf6f9c4c4bf5f2315",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-04-11T19:11:28Z",
    "title_canon_sha256": "3fd55e1f655ea77071d6e35ae840b5c1daac42ded8da5bfa44bd3654e4c86dcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.3397",
    "kind": "arxiv",
    "version": 1
  }
}