Pith Number

pith:SZJUCUBP

pith:2012:SZJUCUBPB5QFXFHYDTVGZ7DMTQ

not attested not anchored not stored refs pending

65 kpc of ionized gas trailing behind NGC 4848 during its first crossing of the Coma cluster

Alessandro Boselli, Giuseppe Gavazzi, Matteo Fossati, Michele Fumagalli

arxiv:1207.4806 v2 · 2012-07-19 · 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{SZJUCUBPB5QFXFHYDTVGZ7DMTQ}

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	2026-05-18T01:56:16.031032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

965341502f0f605b94f81cea6cfc6c9c2e2f24773dc5a8cb178eb6c8463a920a

Aliases

arxiv: 1207.4806 · arxiv_version: 1207.4806v2 · doi: 10.48550/arxiv.1207.4806 · pith_short_12: SZJUCUBPB5QF · pith_short_16: SZJUCUBPB5QFXFHY · pith_short_8: SZJUCUBP

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/SZJUCUBPB5QFXFHYDTVGZ7DMTQ \
  | 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: 965341502f0f605b94f81cea6cfc6c9c2e2f24773dc5a8cb178eb6c8463a920a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f4075d0c3abf2374a31e21269d4fbe2599815ba1349d454c0d5c7e8612f4450",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-19T20:28:29Z",
    "title_canon_sha256": "547c39df99d254a5eff4c8d1539fdfae22ee62fb8819dc689dfef5fe3fc97611"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4806",
    "kind": "arxiv",
    "version": 2
  }
}