Pith Number

pith:RPB4T4DH

pith:2017:RPB4T4DH6RJQ3FRHIIKM7H53EC

not attested not anchored not stored refs pending

XMM-Newton observation of the nearby pulsar B1133+16

Andrzej Szary, Bing Zhang, Dipanjan Mitra, Frank Haberl, George I. Melikidze, Janusz Gil, Ren-Xin Xu, Ulrich Geppert

arxiv:1701.02554 v1 · 2017-01-10 · 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{RPB4T4DH6RJQ3FRHIIKM7H53EC}

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	2026-05-18T00:51:11.933415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bc3c9f067f4530d96274214cf9fbb2093fcc09476c44febed4f309e83562bf7

Aliases

arxiv: 1701.02554 · arxiv_version: 1701.02554v1 · doi: 10.48550/arxiv.1701.02554 · pith_short_12: RPB4T4DH6RJQ · pith_short_16: RPB4T4DH6RJQ3FRH · pith_short_8: RPB4T4DH

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/RPB4T4DH6RJQ3FRHIIKM7H53EC \
  | 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: 8bc3c9f067f4530d96274214cf9fbb2093fcc09476c44febed4f309e83562bf7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e48c3628754c720e119638bac790a600a8368bf5598e7c136cf1f958dd5a112c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-01-10T12:38:44Z",
    "title_canon_sha256": "7efd604db4e1a4786768d6dd8faef3dd2697ee53cd38bec423cb6cb2608a457d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.02554",
    "kind": "arxiv",
    "version": 1
  }
}