Pith Number

pith:VIOM7VI2

pith:2015:VIOM7VI2AAASJVMHI4IDKNQ7HP

not attested not anchored not stored refs pending

A Spectroscopic Survey of the Fields of 28 Strong Gravitational Lenses: The Redshift Catalog

Ann I. Zabludoff, Charles R. Keeton, Ivelina Momcheva, Kurtis A. Williams, Richard J. Cool

arxiv:1503.02074 v1 · 2015-03-06 · astro-ph.CO · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VIOM7VI2AAASJVMHI4IDKNQ7HP}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:34:50.374434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa1ccfd51a000124d587471035361f3bc672c4b3273b18eef33eb8e05f16ed54

Aliases

arxiv: 1503.02074 · arxiv_version: 1503.02074v1 · doi: 10.48550/arxiv.1503.02074 · pith_short_12: VIOM7VI2AAAS · pith_short_16: VIOM7VI2AAASJVMH · pith_short_8: VIOM7VI2

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/VIOM7VI2AAASJVMHI4IDKNQ7HP \
  | 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: aa1ccfd51a000124d587471035361f3bc672c4b3273b18eef33eb8e05f16ed54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0f743a5bdf09f7478e693a9ae692028a0e2aa3f08f7707e267a6c65ec220d55",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-03-06T21:00:08Z",
    "title_canon_sha256": "d3ac3a854c7dd821078788dfda743ceee1d8e15237a5e6390aa69c13ef9e8f0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.02074",
    "kind": "arxiv",
    "version": 1
  }
}