Pith Number

pith:YPEBM7IA

pith:2019:YPEBM7IAPM5R5PE2IMLIO722AM

not attested not anchored not stored refs pending

Variability and Proper Motion of X-ray Knots in the Jet of Centaurus A

Bradford Snios, Christine Jones, Diana M. Worrall, Eileen T. Meyer, Elke Roediger, Mark Birkinshaw, Martin J. Hardcastle, Paul E. J. Nulsen, Ralph P. Kraft, Sarka Wykes, William R. Forman

arxiv:1901.00509 v2 · 2019-01-02 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YPEBM7IAPM5R5PE2IMLIO722AM}

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	2026-05-17T23:54:15.397020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3c8167d007b3b1ebc9a4316877f5a032c0ff1d340266689b091b451b8652404

Aliases

arxiv: 1901.00509 · arxiv_version: 1901.00509v2 · doi: 10.48550/arxiv.1901.00509 · pith_short_12: YPEBM7IAPM5R · pith_short_16: YPEBM7IAPM5R5PE2 · pith_short_8: YPEBM7IA

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/YPEBM7IAPM5R5PE2IMLIO722AM \
  | 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: c3c8167d007b3b1ebc9a4316877f5a032c0ff1d340266689b091b451b8652404

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82329a45ea410c28084b1ee5f06ee4a563b6e0df7ffbe2108f986fb2d3fe2b77",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-01-02T19:06:30Z",
    "title_canon_sha256": "a9049f7b71f0752bb28640f999b2e017005eae7a7bca363fa38b8d6cde4c1d6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.00509",
    "kind": "arxiv",
    "version": 2
  }
}