Pith Number

pith:BJSGDFJ6

pith:2010:BJSGDFJ6UQJGQB3Q4NWNLCKLEO

not attested not anchored not stored refs pending

J0454-0309: Evidence for a strong lensing fossil group falling into a poor galaxy cluster

(2)Leiden Observatory, (3)University of Tuorla Observatory, 4), (4)Excellence Cluster Universe Technische Universitaet Muenchen), Aleksi Halkola (3, Hendrik Hildebrandt (2), Mischa Schirmer (1), Sherry Suyu (1), Thomas Erben (1) ((1)Argelander-Institut fuer Astronomie, Tim Schrabback (2)

arxiv:1002.1080 v2 · 2010-02-04 · 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{BJSGDFJ6UQJGQB3Q4NWNLCKLEO}

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	2026-05-18T04:29:35.042194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a6461953ea412680770e36cd5894b23b6fd39a0d82f9cdb9c1a00f63f1ad7ab

Aliases

arxiv: 1002.1080 · arxiv_version: 1002.1080v2 · doi: 10.48550/arxiv.1002.1080 · pith_short_12: BJSGDFJ6UQJG · pith_short_16: BJSGDFJ6UQJGQB3Q · pith_short_8: BJSGDFJ6

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/BJSGDFJ6UQJGQB3Q4NWNLCKLEO \
  | 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: 0a6461953ea412680770e36cd5894b23b6fd39a0d82f9cdb9c1a00f63f1ad7ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43c99a215dce50ae615fdb5926665b1d36427146ef60494d90f37c11e984a22c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-02-04T21:05:28Z",
    "title_canon_sha256": "7609acd301719cfbd3e86b587bb3541257ee46dac4b01c75bd619eadd0273e63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.1080",
    "kind": "arxiv",
    "version": 2
  }
}