Pith Number

pith:KPFJW7UN

pith:2014:KPFJW7UNF3MZI2G6PPOPO6ZNQW

not attested not anchored not stored refs pending

Multiwavelength study of Cygnus A IV. Proper motion and location of the nucleus

K.C. Steenbrugge, K.M. Blundell, S. Pyrzas

arxiv:1402.5931 v1 · 2014-02-24 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KPFJW7UNF3MZI2G6PPOPO6ZNQW}

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	2026-05-18T01:44:28.877327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53ca9b7e8d2ed99468de7bdcf77b2d858669db75295788431bde233144f98bfe

Aliases

arxiv: 1402.5931 · arxiv_version: 1402.5931v1 · doi: 10.48550/arxiv.1402.5931 · pith_short_12: KPFJW7UNF3MZ · pith_short_16: KPFJW7UNF3MZI2G6 · pith_short_8: KPFJW7UN

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/KPFJW7UNF3MZI2G6PPOPO6ZNQW \
  | 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: 53ca9b7e8d2ed99468de7bdcf77b2d858669db75295788431bde233144f98bfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76d18f8e94b565706aa08eeb6c5a62ea5a76ee1c6b833ccd263e505ef9a0bb0f",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-02-24T19:51:26Z",
    "title_canon_sha256": "16ddc0332ee24649525baac0177a815cd4defd3e7ce14096f799c05fb460c353"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.5931",
    "kind": "arxiv",
    "version": 1
  }
}