Pith Number

pith:NXMXDAIG

pith:2017:NXMXDAIGRAZICQ5E4K4ZLTHF5H

not attested not anchored not stored refs pending

On the Origin of Diffuse Ionized Gas in the Antennae Galaxy

(2) Instituto de Astrof\'isica de Canarias (IAC), 3), (3) Universidad de La Laguna, (4) CRAL, 5), (5) Observatoire de Gen\`eve, (6) Institut f\"ur Astrophysik G\"ottingen, (7) ETH Z\"urich, (8) Leiden Observatory, 9), (9) Universit\"at Potsdam), Ana Monreal-Ibero (2, Anne Verhamme (4, Christer Sandin (1), Davor Krajnovi\'c (1), Johan Richard (4), Lutz Wisotzki (1) ((1) Leibniz-Institut f\"ur Astrophysik Potsdam (AIP), Martin M. Roth (1), Martin Wendt (1, Matthias Steinmetz (1), Michael V. Maseda (8), Peter M. Weilbacher (1), Raffaella Anna Marino (7), Roland Bacon (4), Santiago Erroz-Ferrer (7), Sebastian Kamann (6), Stefan Dreizler (6), Univ Lyon 1, Wolfram Kollatschny (6)

arxiv:1712.04450 v2 · 2017-12-12 · 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{NXMXDAIGRAZICQ5E4K4ZLTHF5H}

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	2026-05-18T00:18:14.610473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dd971810688328143a4e2b995cce5e9dc255f0f57e043144a459bc28cf6a227

Aliases

arxiv: 1712.04450 · arxiv_version: 1712.04450v2 · doi: 10.48550/arxiv.1712.04450 · pith_short_12: NXMXDAIGRAZI · pith_short_16: NXMXDAIGRAZICQ5E · pith_short_8: NXMXDAIG

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/NXMXDAIGRAZICQ5E4K4ZLTHF5H \
  | 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: 6dd971810688328143a4e2b995cce5e9dc255f0f57e043144a459bc28cf6a227

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91507492971bc9043ad05bb688fc2881b728f0624c93b5ae40226af886abad4c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-12-12T19:00:01Z",
    "title_canon_sha256": "d034ab94786a0ff410cb3ea00b83825ef1f14b5f224c306a5aeb23da8d6d7073"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.04450",
    "kind": "arxiv",
    "version": 2
  }
}