Pith Number

pith:6QV35UEE

pith:2011:6QV35UEE4ELCYGUO3NFT4WBKXM

not attested not anchored not stored refs pending

The serendipitous observation of a gravitationally lensed galaxy at z = 0.9057 from the Blanco Cosmology Survey: The Elliot Arc

A. Rest, A. Zenteno, C.-C. Ngeow, D. L. Tucker, E. Bertin, E. J. Buckley-Geer, E. R. Drabek, F. W. High, H. Lin, J. A. Frieman, J. J. Mohr, J. Song, M. Brodwin, R. Armstrong, R. C. Smith, S. Desai, S. M. Hansen, S. S. Allam, W. A. Barkhouse, Y.-T. Lin

arxiv:1108.4681 v2 · 2011-08-23 · 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{6QV35UEE4ELCYGUO3NFT4WBKXM}

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	2026-05-18T02:00:49.097137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f42bbed084e1162c1a8edb4b3e582abb1d34f131795cffc0ed297645e7146701

Aliases

arxiv: 1108.4681 · arxiv_version: 1108.4681v2 · doi: 10.48550/arxiv.1108.4681 · pith_short_12: 6QV35UEE4ELC · pith_short_16: 6QV35UEE4ELCYGUO · pith_short_8: 6QV35UEE

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/6QV35UEE4ELCYGUO3NFT4WBKXM \
  | 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: f42bbed084e1162c1a8edb4b3e582abb1d34f131795cffc0ed297645e7146701

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b8ea9e481940d098d11562375dda3f5ef3d818ed98a1ccd7ae2ad32d252830e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-08-23T19:47:00Z",
    "title_canon_sha256": "c70357937bec24b252519d0415cc9df42f4e598735566b5db7818146f3af267a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4681",
    "kind": "arxiv",
    "version": 2
  }
}