Pith Number

pith:WH52P52V

pith:2014:WH52P52VDAER3UEITQXXFKPMZS

not attested not anchored not stored refs pending

NuSTAR and XMM-Newton observations of the extreme ultraluminous X-ray source NGC 5907 ULX1: A Vanishing Act

A. D. Sutton, B. W. Grefenstette, C. J. Hailey, D. Barret, D. J. Walton, D. Stern, F. A. Harrison, F. E. Christensen, F. Fuerst, K. K. Madsen, M. Bachetti, M. J. Middleton, N. Webb, S. E. Boggs, T. P. Roberts, V. Rana, W. W. Craig, W. Zhang

arxiv:1411.5974 v1 · 2014-11-21 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WH52P52VDAER3UEITQXXFKPMZS}

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	2026-05-18T01:41:28.449419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1fba7f75518091dd0889c2f72a9eccc86765d7519818fbc1876c1ae1fa8c90a

Aliases

arxiv: 1411.5974 · arxiv_version: 1411.5974v1 · doi: 10.48550/arxiv.1411.5974 · pith_short_12: WH52P52VDAER · pith_short_16: WH52P52VDAER3UEI · pith_short_8: WH52P52V

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/WH52P52VDAER3UEITQXXFKPMZS \
  | 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: b1fba7f75518091dd0889c2f72a9eccc86765d7519818fbc1876c1ae1fa8c90a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da565dc9d9550776dfa0878560eee8531ed237b102603e1b30013780675494f4",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-11-21T18:40:22Z",
    "title_canon_sha256": "0c4ca55f530bee3900f7dc56d7fe22cb92e707b940afa779409f51ca7db76842"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.5974",
    "kind": "arxiv",
    "version": 1
  }
}