Pith Number

pith:XSUMHITC

pith:1998:XSUMHITC665TPSAVFPMGF2FS5L

not attested not anchored not stored refs pending

ASCA X-Ray Spectroscopy of LMC Supernova Remnants and the Metal Abundances of the LMC

Ichizo Hayashi (Kyoto University), John P. Hughes (Rutgers University), Katsuji Koyama (Kyoto University)

arxiv:astro-ph/9802342 v1 · 1998-02-26 · 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{XSUMHITC665TPSAVFPMGF2FS5L}

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	2026-05-18T02:40:35.011635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bca8c3a262f7bb37c8152bd862e8b2eaea78c25950e4a04d863901bffcea720a

Aliases

arxiv: astro-ph/9802342 · arxiv_version: astro-ph/9802342v1 · doi: 10.48550/arxiv.astro-ph/9802342 · pith_short_12: XSUMHITC665T · pith_short_16: XSUMHITC665TPSAV · pith_short_8: XSUMHITC

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/XSUMHITC665TPSAVFPMGF2FS5L \
  | 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: bca8c3a262f7bb37c8152bd862e8b2eaea78c25950e4a04d863901bffcea720a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "473f7fc96c057273672a88d4a38f988dd24a7426c76e69fa3294d0b529eae146",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-02-26T18:57:35Z",
    "title_canon_sha256": "00837c2cdc371fe2dfa348306bab5f26e1ac58d4b775ed7ba6138be7b61fc671"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9802342",
    "kind": "arxiv",
    "version": 1
  }
}