Pith Number

pith:D2XUYSED

pith:2025:D2XUYSEDKHUFAHU4RZ47DNHMQG

not attested not anchored not stored refs pending

X-ray observations of Nova Sco 2023: Spectroscopic evidence of charge exchange

Ehud Behar, Jack Worley, Marina Orio, Sharon Mitrani

arxiv:2507.02465 v1 · 2025-07-03 · 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{D2XUYSEDKHUFAHU4RZ47DNHMQG}

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	2026-07-05T11:31:18.804851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1eaf4c488351e8501e9c8e79f1b4ec81b62c4351b0455c73e1997ee1479308a1

Aliases

arxiv: 2507.02465 · arxiv_version: 2507.02465v1 · doi: 10.48550/arxiv.2507.02465 · pith_short_12: D2XUYSEDKHUF · pith_short_16: D2XUYSEDKHUFAHU4 · pith_short_8: D2XUYSED

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/D2XUYSEDKHUFAHU4RZ47DNHMQG \
  | 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: 1eaf4c488351e8501e9c8e79f1b4ec81b62c4351b0455c73e1997ee1479308a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "154515dabe5e75456695cf5e752b7ba9bd6064fb23e7ef3af0bddb4307895c2e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-07-03T09:23:39Z",
    "title_canon_sha256": "cf1b7eb696c0d1f2f24004eb21facbb24ca47e301004c1a8657929d5259a3e51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.02465",
    "kind": "arxiv",
    "version": 1
  }
}