Pith Number

pith:DWLHJ2OT

pith:2018:DWLHJ2OTV6GHXAMCRBKD7AMNIM

not attested not anchored not stored refs pending

X-Ray and Optical Properties of Black Widows and Redbacks

2), (2) Eureka Scientific, (3) West Virginia University, (4) University of Amsterdam, (5) National Radio Astronomy Observatory, (6) Naval Research Laboratory, (7) University of Manchester), Hind Al Noori (1), Jason W.T. Hessels (4), Mallory S.E. Roberts (1, Matthew Kerr (6), Maura A. McLaughlin (3), Paul S. Ray (6), Peter A. Gentile (3), Rene P. Breton (7) ((1) New York University Abu Dhabi, Rodrigo A. Torres (1), Scott M. Ransom (5)

arxiv:1801.09903 v1 · 2018-01-30 · 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{DWLHJ2OTV6GHXAMCRBKD7AMNIM}

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	2026-05-18T00:07:35.188295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d9674e9d3af8c7b818288543f818d431c6047589266e1ad59e2c228e4e6c125

Aliases

arxiv: 1801.09903 · arxiv_version: 1801.09903v1 · doi: 10.48550/arxiv.1801.09903 · pith_short_12: DWLHJ2OTV6GH · pith_short_16: DWLHJ2OTV6GHXAMC · pith_short_8: DWLHJ2OT

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/DWLHJ2OTV6GHXAMCRBKD7AMNIM \
  | 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: 1d9674e9d3af8c7b818288543f818d431c6047589266e1ad59e2c228e4e6c125

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39b0788279cb4798486d525ae2cc17fd53ebc1d1a14c4b4560bd004db5b67524",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-01-30T09:12:54Z",
    "title_canon_sha256": "9208abdfeb73197383695ce3379c3f7b702144b0f05541570ab9c620f1bd9051"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09903",
    "kind": "arxiv",
    "version": 1
  }
}