Pith Number

pith:4Y2JWBRH

pith:2012:4Y2JWBRHJQHL5WRRYENBJL63AT

not attested not anchored not stored refs pending

SHARP - I. A high-resolution multi-band view of the infra-red Einstein ring of JVAS B1938+666

2, (2) Swinburne, 3), (3) CAASTRO, (4) MIT, (5) UC Santa Barbara, 6), (6) IofA, (7) Kapteyn Institute, (8) ASTRON), Cambridge, C. D. Fassnacht (1), D. J. Lagattuta (1, J. P. McKean (8) ((1) UC Davis, L. V. E. Koopmans (7), M. W. Auger (5, S. Vegetti (4)

arxiv:1206.1681 v1 · 2012-06-08 · 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{4Y2JWBRHJQHL5WRRYENBJL63AT}

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	2026-05-18T01:57:00.788484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6349b06274c0ebeda31c11a14afdb04e92d7a7041968dafdd668d43be97852b

Aliases

arxiv: 1206.1681 · arxiv_version: 1206.1681v1 · doi: 10.48550/arxiv.1206.1681 · pith_short_12: 4Y2JWBRHJQHL · pith_short_16: 4Y2JWBRHJQHL5WRR · pith_short_8: 4Y2JWBRH

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/4Y2JWBRHJQHL5WRRYENBJL63AT \
  | 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: e6349b06274c0ebeda31c11a14afdb04e92d7a7041968dafdd668d43be97852b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7b3caffe511c4e30d45883a8ae5c6dad4aee621d761e8156a5a2a333406e303",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-06-08T07:28:49Z",
    "title_canon_sha256": "d4a9d4a62639cebc62b174e4fe1e8bbbb785adb28b039224206152df2aca4ecc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.1681",
    "kind": "arxiv",
    "version": 1
  }
}