Pith Number

pith:F6NSKYLM

pith:2012:F6NSKYLMJGQMTXTQYZQSELDGHS

not attested not anchored not stored refs pending

The 2012 Interferometric Imaging Beauty Contest

Alicia Aarnio, David Mary, Dieter Schertl, Eric Thi\'ebaut, Fabien Baron, F\'err\'eol Soulez, Florentin Millour, Gerd Weigelt, Henrique R. Schmitt, John D. Monnier, John Young, Karl-Heinz Hofmann, Martin Vannier, Nicholas M. Elias II, Peter R. Lawson, Sridharan Rengaswamy, Steve T. Ridgway, William D. Cotton

arxiv:1207.7141 v2 · 2012-07-31 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F6NSKYLMJGQMTXTQYZQSELDGHS}

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	2026-05-18T01:56:00.887600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f9b25616c49a0c9de70c661222c663c95fc02773a028f5fdf230e97e8874bc0

Aliases

arxiv: 1207.7141 · arxiv_version: 1207.7141v2 · doi: 10.48550/arxiv.1207.7141 · pith_short_12: F6NSKYLMJGQM · pith_short_16: F6NSKYLMJGQMTXTQ · pith_short_8: F6NSKYLM

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/F6NSKYLMJGQMTXTQYZQSELDGHS \
  | 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: 2f9b25616c49a0c9de70c661222c663c95fc02773a028f5fdf230e97e8874bc0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f6209f4c9af1091fb29f914849128e7b1fdc9bb19ef8b67f054f92f07eb2eb2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-07-31T01:01:43Z",
    "title_canon_sha256": "9e35d673c8e7f3b7b5c8b8af31064b8b1257baba06e7f8366b9119694b21c7ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.7141",
    "kind": "arxiv",
    "version": 2
  }
}