Pith Number

pith:IY3E5WNF

pith:2011:IY3E5WNFAHEVXZP22TY5SYEBMY

not attested not anchored not stored refs pending

Comparing Spectral Models for ULXs with NGC 4517 ULX1

A. C. Fabian, C. Done, D. J. Walton, J. C. Gladstone, M. D. Caballero-Garcia, M. J. Middleton, T. P. Roberts

arxiv:1101.4541 v1 · 2011-01-24 · 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{IY3E5WNFAHEVXZP22TY5SYEBMY}

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	2026-05-18T02:03:24.788497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46364ed9a501c95be5fad4f1d9608166024d3feea58ba96dc114559e4420ecd9

Aliases

arxiv: 1101.4541 · arxiv_version: 1101.4541v1 · doi: 10.48550/arxiv.1101.4541 · pith_short_12: IY3E5WNFAHEV · pith_short_16: IY3E5WNFAHEVXZP2 · pith_short_8: IY3E5WNF

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/IY3E5WNFAHEVXZP22TY5SYEBMY \
  | 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: 46364ed9a501c95be5fad4f1d9608166024d3feea58ba96dc114559e4420ecd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1319342d993da6be07473574fc6464c2ddc89fa9b3685daf8c53df70fa7578ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-01-24T14:23:05Z",
    "title_canon_sha256": "bd983ce013dfc7603864ec4006f70eb10b04f8ff2eebc1466cc73573aea0d960"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4541",
    "kind": "arxiv",
    "version": 1
  }
}