Pith Number

pith:OM7MWZPL

pith:2012:OM7MWZPLSUFDCJDJWFRWLAFWA4

not attested not anchored not stored refs pending

Mosaiced wide-field VLBI observations of the Lockman Hole/XMM

Adam Deller, Dieter Lutz, Emmanouil Rovilos, Enno Middelberg, John Morgan, Mara Salvato, Ray Norris, Sotiria Fotopoulou, Walter Brisken

arxiv:1212.4605 v1 · 2012-12-19 · astro-ph.CO · 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{OM7MWZPLSUFDCJDJWFRWLAFWA4}

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	2026-05-18T01:52:30.582873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

733ecb65eb950a312469b1636580b6070ae2792756523353ca31f4566bddc0ae

Aliases

arxiv: 1212.4605 · arxiv_version: 1212.4605v1 · doi: 10.48550/arxiv.1212.4605 · pith_short_12: OM7MWZPLSUFD · pith_short_16: OM7MWZPLSUFDCJDJ · pith_short_8: OM7MWZPL

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/OM7MWZPLSUFDCJDJWFRWLAFWA4 \
  | 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: 733ecb65eb950a312469b1636580b6070ae2792756523353ca31f4566bddc0ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e75ed916153b36e84e02842da44f8ba0b6e6c161a7f5793b81da49f6624c283",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-12-19T09:16:19Z",
    "title_canon_sha256": "b7c3c2c6eb45666a8b7c13881bc14bbc9ffa9acca983064f70655a2a5f5952f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.4605",
    "kind": "arxiv",
    "version": 1
  }
}