Pith Number

pith:JXPS7UTK

pith:2015:JXPS7UTKWGF2JFKB2AG7OSWPRA

not attested not anchored not stored refs pending

X-ray Emission from the Taffy (VV254) Galaxies and Bridge

Bradley Peterson, Curtis Struck, Francois Boulanger, George Helou, Junfeng Wang, Katherine Alatalo, Lauranne Lanz, Michelle Cluver, Patrick Ogle, Philip Appleton, Pierre Guillard, Theodoros Bitsakis, Ute Lisenfeld, Yu Gao

arxiv:1509.05314 v1 · 2015-09-17 · 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{JXPS7UTKWGF2JFKB2AG7OSWPRA}

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	2026-05-18T01:29:44.582078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ddf2fd26ab18ba49541d00df74acf8827b09b22b6fd4d31f544100a4e3e2b79

Aliases

arxiv: 1509.05314 · arxiv_version: 1509.05314v1 · doi: 10.48550/arxiv.1509.05314 · pith_short_12: JXPS7UTKWGF2 · pith_short_16: JXPS7UTKWGF2JFKB · pith_short_8: JXPS7UTK

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/JXPS7UTKWGF2JFKB2AG7OSWPRA \
  | 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: 4ddf2fd26ab18ba49541d00df74acf8827b09b22b6fd4d31f544100a4e3e2b79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6819d4c18fffea1a35ec1c7005f0fc29886480c224783bd2a00c20e239dd137b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-09-17T16:15:51Z",
    "title_canon_sha256": "b698cb1fa5a1725ebdf952ed8b2cce1eec63485c0392f436ae9574985a9ec88b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05314",
    "kind": "arxiv",
    "version": 1
  }
}