Pith Number

pith:3M3VG63D

pith:2007:3M3VG63DWHQKGW2SYVEWKCGIC3

not attested not anchored not stored refs pending

A sample of mJy radio sources at 1.4 GHz in the Lynx and Hercules fields - I. Radio imaging, multicolour photometry and spectroscopy

E. E. Rigby, I. A. Snellen, P. N. Best

arxiv:0706.2323 v1 · 2007-06-15 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3M3VG63DWHQKGW2SYVEWKCGIC3}

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	2026-07-04T17:04:13.645298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db37537b63b1e0a35b52c5496508c816dd191fd2c924f1e290b00e865f5bf8a5

Aliases

arxiv: 0706.2323 · arxiv_version: 0706.2323v1 · doi: 10.48550/arxiv.0706.2323 · pith_short_12: 3M3VG63DWHQK · pith_short_16: 3M3VG63DWHQKGW2S · pith_short_8: 3M3VG63D

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/3M3VG63DWHQKGW2SYVEWKCGIC3 \
  | 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: db37537b63b1e0a35b52c5496508c816dd191fd2c924f1e290b00e865f5bf8a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c6d2bb33fdf508184bad99ca8eec4b138834fa44ee6092cc0e9a50541bde5ac",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-06-15T18:13:23Z",
    "title_canon_sha256": "f28894413938fc02e14e28a4c79c05c8bf8bb972538a5327d1ef48e29dcea486"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0706.2323",
    "kind": "arxiv",
    "version": 1
  }
}