Pith Number

pith:7XMIQHG6

pith:1998:7XMIQHG6D45IAFBSRAJY5UUE3G

not attested not anchored not stored refs pending

Study of the Composite Supernova Remnant MSH 11-62

Ilana. M. Harrus (CfA & Columbia University), John. P. Hughes (Rutgers University), Patrick O. Slane (CfA)

arxiv:astro-ph/9801204 v1 · 1998-01-21 · 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{7XMIQHG6D45IAFBSRAJY5UUE3G}

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	2026-05-18T01:40:14.454843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdd8881cde1f3a80143288138ed284d99e6d716e2aa1414964f6a8bbdbc5b8c7

Aliases

arxiv: astro-ph/9801204 · arxiv_version: astro-ph/9801204v1 · doi: 10.48550/arxiv.astro-ph/9801204 · pith_short_12: 7XMIQHG6D45I · pith_short_16: 7XMIQHG6D45IAFBS · pith_short_8: 7XMIQHG6

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/7XMIQHG6D45IAFBSRAJY5UUE3G \
  | 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: fdd8881cde1f3a80143288138ed284d99e6d716e2aa1414964f6a8bbdbc5b8c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c7bd4b7cd63066fafafc3b22b10e83bea6c0cd6bfd0120c90f73164ae276bb4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-01-21T19:53:13Z",
    "title_canon_sha256": "5992fa9f7aa3907e6497af4b608d293d5fe747bd75bba9ad318f2e5c286ecee8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9801204",
    "kind": "arxiv",
    "version": 1
  }
}