Pith Number

pith:IP2Q5JCJ

pith:2012:IP2Q5JCJZPKCUFNBY7JKQ4B6PE

not attested not anchored not stored refs pending

Dust and Ionized Gas Association in E/S0 Galaxies with Dust Lanes: Clues to their Origin

Alexei Kniazev, Ido Finkelman, Noah Brosch, Petri Vaisanen, S. J. Jose G. Funes, Sudhanshu Barway

arxiv:1202.2119 v2 · 2012-02-09 · 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{IP2Q5JCJZPKCUFNBY7JKQ4B6PE}

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	2026-05-18T01:58:31.571146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43f50ea449cbd42a15a1c7d2a8703e79004c2791afa088d3f4d535dda46d09c9

Aliases

arxiv: 1202.2119 · arxiv_version: 1202.2119v2 · doi: 10.48550/arxiv.1202.2119 · pith_short_12: IP2Q5JCJZPKC · pith_short_16: IP2Q5JCJZPKCUFNB · pith_short_8: IP2Q5JCJ

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/IP2Q5JCJZPKCUFNBY7JKQ4B6PE \
  | 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: 43f50ea449cbd42a15a1c7d2a8703e79004c2791afa088d3f4d535dda46d09c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf2e1d7b02b9ded692f3a82d067bd3e1a448d7388e7293bdc3ec7ac123121359",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-09T21:00:01Z",
    "title_canon_sha256": "7c013986204e45afa109d641fb153846f59e7aa46a86c3c980278b225bd074ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2119",
    "kind": "arxiv",
    "version": 2
  }
}