Pith Number

pith:VBB3CB3T

pith:2016:VBB3CB3TBAIAGIPGYC7S4CRF2H

not attested not anchored not stored refs pending

On the lamppost model of accreting black holes

Andrzej A. Zdziarski, Andrzej Niedzwiecki, Michal Szanecki

arxiv:1602.09075 v2 · 2016-02-29 · 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{VBB3CB3TBAIAGIPGYC7S4CRF2H}

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	2026-05-18T01:16:40.313219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a843b1077308100321e6c0bf2e0a25d1fb881a3c1eea546eb6f943bb309dc36c

Aliases

arxiv: 1602.09075 · arxiv_version: 1602.09075v2 · doi: 10.48550/arxiv.1602.09075 · pith_short_12: VBB3CB3TBAIA · pith_short_16: VBB3CB3TBAIAGIPG · pith_short_8: VBB3CB3T

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/VBB3CB3TBAIAGIPGYC7S4CRF2H \
  | 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: a843b1077308100321e6c0bf2e0a25d1fb881a3c1eea546eb6f943bb309dc36c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "081efb8c7a1e31fca1c7e54d4b38d1e8a4a156d16d24b0525ffcb283fefcb33e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-02-29T18:15:39Z",
    "title_canon_sha256": "a72d2142abf57b72f7b00147f74a3ce6101d0ea6ed86134bda99f0e8786aa2d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.09075",
    "kind": "arxiv",
    "version": 2
  }
}