Pith Number

pith:FR4XK3SJ

pith:2012:FR4XK3SJXQ5IHDAUQ3NQHKIHNA

not attested not anchored not stored refs pending

Irregular sloshing cold fronts in the nearby merging groups NGC 7618 and UGC 12491: evidence for Kelvin-Helmholtz instabilities

2), 2) ((1) Jacobs University Bremen, (2) Harvard/Smithsonian Center for Astrophysics, (3) Department of Physics, Astronomy, C. Jones (2), E. Roediger (1, M. E. Machacek (2), P. E. J. Nulsen (2), R. P. Kraft (2), S. S. Murray (3, The Johns Hopkins University), W. R. Forman (2)

arxiv:1206.2355 v1 · 2012-06-11 · 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{FR4XK3SJXQ5IHDAUQ3NQHKIHNA}

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	2026-05-18T01:56:59.702661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c79756e49bc3a838c1486db03a9076832c47e260ecc6a9a3d7ebdf988846624

Aliases

arxiv: 1206.2355 · arxiv_version: 1206.2355v1 · doi: 10.48550/arxiv.1206.2355 · pith_short_12: FR4XK3SJXQ5I · pith_short_16: FR4XK3SJXQ5IHDAU · pith_short_8: FR4XK3SJ

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/FR4XK3SJXQ5IHDAUQ3NQHKIHNA \
  | 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: 2c79756e49bc3a838c1486db03a9076832c47e260ecc6a9a3d7ebdf988846624

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4c7e671fdbe0ad13d8bf15016cda5db7c90cdb2b3c25b8081f895e4d05d90ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-06-11T20:00:05Z",
    "title_canon_sha256": "2403ec74fdbfe0f3cc5d691ff2fe962d4840044961c4b11708469223282432a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.2355",
    "kind": "arxiv",
    "version": 1
  }
}