Pith Number

pith:OXRIL5CV

pith:2012:OXRIL5CVUKOB26RJ27UTY4MNM6

not attested not anchored not stored refs pending

Deep blank field catalogue for medium- and large-size telescopes

A. Cabrera-Lavers, F. M. Jim\'enez-Esteban, J. M. Alacid, N. Cardiel

arxiv:1209.4861 v1 · 2012-09-21 · 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{OXRIL5CVUKOB26RJ27UTY4MNM6}

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	2026-05-18T01:54:20.082093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75e285f455a29c1d7a29d7e93c718d67bb627692a7d0f0d2a5d0357f32ee3f63

Aliases

arxiv: 1209.4861 · arxiv_version: 1209.4861v1 · doi: 10.48550/arxiv.1209.4861 · pith_short_12: OXRIL5CVUKOB · pith_short_16: OXRIL5CVUKOB26RJ · pith_short_8: OXRIL5CV

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/OXRIL5CVUKOB26RJ27UTY4MNM6 \
  | 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: 75e285f455a29c1d7a29d7e93c718d67bb627692a7d0f0d2a5d0357f32ee3f63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ad8855122dfa6e1d5d2de3efc7fabbf634f6719db5ab844534ceeb0a543a1c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-09-21T17:07:25Z",
    "title_canon_sha256": "cf0cfdd46ab356052c027b8a542c623312cd916badbcfb57b175b45c4bbcfe40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4861",
    "kind": "arxiv",
    "version": 1
  }
}