Pith Number

pith:UXJDTAWG

pith:2021:UXJDTAWGYCJGVZ6DRMXWYEEDA5

not attested not anchored not stored refs pending

Origin of the spectacular tidal shells of galaxy NGC474

Benoit Famaey, Ivana Ebrov\'a, J\'er\'emy Fensch, Michal B\'ilek, Pavel Kroupa, Pierre-Alain Duc, Srikanth T. Nagesh

arxiv:2111.14886 v3 · 2021-11-29 · 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{UXJDTAWGYCJGVZ6DRMXWYEEDA5}

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	2026-07-05T04:15:51.184754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5d23982c6c0926ae7c38b2f6c1083077b7d328c6cbefdd545ace6d166449118

Aliases

arxiv: 2111.14886 · arxiv_version: 2111.14886v3 · doi: 10.48550/arxiv.2111.14886 · pith_short_12: UXJDTAWGYCJG · pith_short_16: UXJDTAWGYCJGVZ6D · pith_short_8: UXJDTAWG

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/UXJDTAWGYCJGVZ6DRMXWYEEDA5 \
  | 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: a5d23982c6c0926ae7c38b2f6c1083077b7d328c6cbefdd545ace6d166449118

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d30d23b717468f70a65d73ae66f5c413d627a0ead1dd8201fe73cc8d3d07f03d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-11-29T19:00:44Z",
    "title_canon_sha256": "f3aafdaa4cace15a8f246b9ece84447e22403edea24a24e72557d72d7c25c475"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.14886",
    "kind": "arxiv",
    "version": 3
  }
}