Pith Number

pith:XSHI5VKO

pith:2012:XSHI5VKONKNA2GX5D55YHHROX5

not attested not anchored not stored refs pending

Catch me if you can: is there a runaway-mass black hole in the Orion Nebula Cluster?

Holger Baumgardt (Queensland), Ladislav Subr (Prague), Pavel Kroupa (Bonn)

arxiv:1209.2114 v1 · 2012-09-10 · 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{XSHI5VKONKNA2GX5D55YHHROX5}

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	2026-05-18T03:45:52.748144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc8e8ed54e6a9a0d1afd1f7b839e2ebf50f0c856985da60226cbec3a793b46fb

Aliases

arxiv: 1209.2114 · arxiv_version: 1209.2114v1 · doi: 10.48550/arxiv.1209.2114 · pith_short_12: XSHI5VKONKNA · pith_short_16: XSHI5VKONKNA2GX5 · pith_short_8: XSHI5VKO

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/XSHI5VKONKNA2GX5D55YHHROX5 \
  | 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: bc8e8ed54e6a9a0d1afd1f7b839e2ebf50f0c856985da60226cbec3a793b46fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fdeac4ab98e779af1350699a713ec8e1c7fedc2c405b2eeccd3e1af00fdf58b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-09-10T20:00:00Z",
    "title_canon_sha256": "e099c4127ee4bb7b77227302eb3f2f90ecaab467ce0307c222d67533c2a82b49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2114",
    "kind": "arxiv",
    "version": 1
  }
}