Pith Number

pith:CUTRX7A5

pith:2001:CUTRX7A533I4NXPFNE6WUSYH4R

not attested not anchored not stored refs pending

Variable gamma-ray emission from the Be/X-ray transient A0535+26?

Diego F. Torres, Gustavo E. Romero, Jorge A. Combi, M.M. Kaufman Bernado

arxiv:astro-ph/0107411 v1 · 2001-07-20 · astro-ph · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CUTRX7A533I4NXPFNE6WUSYH4R}

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	2026-07-04T16:23:44.723636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15271bfc1dded1c6dde5693d6a4b07e44b877529545395cb7afd9b032bfdbac3

Aliases

arxiv: astro-ph/0107411 · arxiv_version: astro-ph/0107411v1 · doi: 10.48550/arxiv.astro-ph/0107411 · pith_short_12: CUTRX7A533I4 · pith_short_16: CUTRX7A533I4NXPF · pith_short_8: CUTRX7A5

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/CUTRX7A533I4NXPFNE6WUSYH4R \
  | 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: 15271bfc1dded1c6dde5693d6a4b07e44b877529545395cb7afd9b032bfdbac3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1523e5358366fe3f9f0f0465172521bf99e60cd484ae30adc42e042e314b2aa",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-07-20T18:33:28Z",
    "title_canon_sha256": "51466946598174a68265f5f920deeb6efc30d450283a178aa47571b9d261ffbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0107411",
    "kind": "arxiv",
    "version": 1
  }
}