Pith Number

pith:OOXTYB3S

pith:2019:OOXTYB3SXEVHJR7ACBHRZYKU5G

not attested not anchored not stored refs pending

A Sparkler in the Fireworks Galaxy: Discovery of an Ultraluminous X-ray Transient with a Strong Oxygen Line in NGC 6946

Chen Wang (XMU), Junfeng Wang (XMU), Roberto Soria (UCAS/NAOC)

arxiv:1908.08293 v1 · 2019-08-22 · astro-ph.HE · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OOXTYB3SXEVHJR7ACBHRZYKU5G}

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	2026-07-05T00:06:54.906300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73af3c0772b92a74c7e0104f1ce154e99b02cd1e528bf44d5aa6613fe9048c52

Aliases

arxiv: 1908.08293 · arxiv_version: 1908.08293v1 · doi: 10.48550/arxiv.1908.08293 · pith_short_12: OOXTYB3SXEVH · pith_short_16: OOXTYB3SXEVHJR7A · pith_short_8: OOXTYB3S

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/OOXTYB3SXEVHJR7ACBHRZYKU5G \
  | 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: 73af3c0772b92a74c7e0104f1ce154e99b02cd1e528bf44d5aa6613fe9048c52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b5c2f3a4847d3331a458dfb86695ec0c2bb8f2a782f15830b9271f09c203617",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-08-22T10:25:17Z",
    "title_canon_sha256": "1a3ef1b9fd62c2e1b91b905d98bd16388584aa436004e9a5a296ac04f81c16bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08293",
    "kind": "arxiv",
    "version": 1
  }
}