Pith Number

pith:2LJ45WEP

pith:2007:2LJ45WEPMFZSL7IE7LVOBKG5CM

not attested not anchored not stored refs pending

Discovery of a Transient X-ray Source in the Compact Stellar Nucleus of NGC 2403

Allyn F. Tennant, Douglas A. Swartz, Mihoko Yukita, Roberto Soria

arxiv:astro-ph/0702744 v1 · 2007-02-28 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2LJ45WEPMFZSL7IE7LVOBKG5CM}

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	2026-05-18T04:29:06.155607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2d3ced88f617325fd04faeae0a8dd133d3643f710e2bfb18c679b9a4f3d8120

Aliases

arxiv: astro-ph/0702744 · arxiv_version: astro-ph/0702744v1 · doi: 10.48550/arxiv.astro-ph/0702744 · pith_short_12: 2LJ45WEPMFZS · pith_short_16: 2LJ45WEPMFZSL7IE · pith_short_8: 2LJ45WEP

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/2LJ45WEPMFZSL7IE7LVOBKG5CM \
  | 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: d2d3ced88f617325fd04faeae0a8dd133d3643f710e2bfb18c679b9a4f3d8120

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a492d8a53bdb942013702bb50da6d1431aebf3f32587bc28a70a8eef555a0ab0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-02-28T17:15:50Z",
    "title_canon_sha256": "f05fcb06a6eabba0a35c4c98c056a4f261dbc092033de7eb1fe2939c381ee762"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0702744",
    "kind": "arxiv",
    "version": 1
  }
}