Pith Number

pith:4KWEAWXJ

pith:2010:4KWEAWXJCKS76RRTLSWESC74ET

not attested not anchored not stored refs pending

High-resolution x-ray telescopes

B.D. Ramsey, D.A.Schwartz, D. Jerius, J.J. Kolodziejczak, M.C. Weisskopf, M. Elvis, M. Freeman, M. Juda, M.V. Gubarev, P.B. Reid, P. Gorenstein, R.F. Elsner, R.H.T. Wilke, R.J. Brissenden, R.Petre, S.L. O'Dell, S. Murray, S. Trolier-McKinstry, S. Wolk, T. Gaetz, T. Saha, W.N. Davis, W. Podgorski, W.W. Zhang

arxiv:1010.4892 v1 · 2010-10-23 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4KWEAWXJCKS76RRTLSWESC74ET}

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	2026-05-18T02:04:59.248632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2ac405ae912a5ff46335cac490bfc24c76bb8421102c463a9657b3066bc5999

Aliases

arxiv: 1010.4892 · arxiv_version: 1010.4892v1 · doi: 10.48550/arxiv.1010.4892 · pith_short_12: 4KWEAWXJCKS7 · pith_short_16: 4KWEAWXJCKS76RRT · pith_short_8: 4KWEAWXJ

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/4KWEAWXJCKS76RRTLSWESC74ET \
  | 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: e2ac405ae912a5ff46335cac490bfc24c76bb8421102c463a9657b3066bc5999

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4da5129147c8d6c517e6b4a0a733fe5732ec19ab5b7f82f72bac7ab8b94bf83",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-10-23T16:44:01Z",
    "title_canon_sha256": "89e16067416d0a9e9665a6f2fc438d450b5a5c610d581cb81860af1b62b7ae75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.4892",
    "kind": "arxiv",
    "version": 1
  }
}