Pith Number

pith:I4IJXB5H

pith:2010:I4IJXB5HCH52Z6HOO6HEZAYML6

not attested not anchored not stored refs pending

X-shooter Observations of the Gravitational Lens System CASSOWARY 5

Joel Vernet, Lise Christensen, Max Pettini, Melinda Kellogg, N. Wyn Evans, Sandro D'Odorico, Vasily Belokurov

arxiv:1004.3546 v2 · 2010-04-20 · 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{I4IJXB5HCH52Z6HOO6HEZAYML6}

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	2026-05-18T04:42:14.542556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47109b87a711fbacf8ee778e4c830c5f8b4aa5a2d8c76711a00732deb27bcdf0

Aliases

arxiv: 1004.3546 · arxiv_version: 1004.3546v2 · doi: 10.48550/arxiv.1004.3546 · pith_short_12: I4IJXB5HCH52 · pith_short_16: I4IJXB5HCH52Z6HO · pith_short_8: I4IJXB5H

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/I4IJXB5HCH52Z6HOO6HEZAYML6 \
  | 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: 47109b87a711fbacf8ee778e4c830c5f8b4aa5a2d8c76711a00732deb27bcdf0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac9775f2f0b663dd1bcfc24d74690baa5b3a2f63f701fab0ff70d0014638ecd4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-04-20T20:00:17Z",
    "title_canon_sha256": "e1cc3d6d7796f6c71ad16205fd51a82d786b2310936ebe195ac196cbe4713240"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.3546",
    "kind": "arxiv",
    "version": 2
  }
}