Pith Number

pith:FFM4QK3L

pith:2011:FFM4QK3LSFY6CI75P35NY6WROF

not attested not anchored not stored refs pending

Star Clusters as Tracers of Interactions in Stephan's Quintet (Hickson Compact Group 92)

(2) The Pennsylvania State University, (3) University of Toledo, (4) University of Exeter, (5) Space Telescope Science Institute, (6) Gemini Observatory), B. Whitmore (5), G. Trancho (6) ((1) The University of Western Ontario, I. S. Konstantopoulos (2), J. C. Charlton (2), K. Fedotov (1), N. Bastian (4), R. Chandar (3), S. C. Gallagher (1)

arxiv:1105.5840 v1 · 2011-05-29 · 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{FFM4QK3LSFY6CI75P35NY6WROF}

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	2026-05-18T02:01:46.507035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2959c82b6b9171e123fd7efadc7ad171551efc2b14888aca9f3dcee1c2be7eff

Aliases

arxiv: 1105.5840 · arxiv_version: 1105.5840v1 · doi: 10.48550/arxiv.1105.5840 · pith_short_12: FFM4QK3LSFY6 · pith_short_16: FFM4QK3LSFY6CI75 · pith_short_8: FFM4QK3L

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/FFM4QK3LSFY6CI75P35NY6WROF \
  | 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: 2959c82b6b9171e123fd7efadc7ad171551efc2b14888aca9f3dcee1c2be7eff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f92227ed9480719f78825ebca737683477a9b608072aee6af4b5755814aac151",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-05-29T23:51:46Z",
    "title_canon_sha256": "6212c71c8ae02e17ae117da2624f8ee8c4f308e42a262d27f3c7909fe8105fb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.5840",
    "kind": "arxiv",
    "version": 1
  }
}