Pith Number

pith:W3AFGL4V

pith:1997:W3AFGL4V7CHWHKVA5WHYAUOUT7

not attested not anchored not stored refs pending

Roles of SNIa and SNII in ICM Enrichment

Nobuo Arimoto (University of Tokyo), Yuhri Ishimaru

arxiv:astro-ph/9702036 v1 · 1997-02-04 · 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{W3AFGL4V7CHWHKVA5WHYAUOUT7}

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	2026-05-18T01:40:18.217460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6c0532f95f88f63aaa0ed8f8051d49fe76e6971524a85864489315779d31ad3

Aliases

arxiv: astro-ph/9702036 · arxiv_version: astro-ph/9702036v1 · doi: 10.48550/arxiv.astro-ph/9702036 · pith_short_12: W3AFGL4V7CHW · pith_short_16: W3AFGL4V7CHWHKVA · pith_short_8: W3AFGL4V

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/W3AFGL4V7CHWHKVA5WHYAUOUT7 \
  | 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: b6c0532f95f88f63aaa0ed8f8051d49fe76e6971524a85864489315779d31ad3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e003e59711cf051f25f138a5898e7452e1d8228c301b67a23afc9b5209b30707",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-02-04T11:17:57Z",
    "title_canon_sha256": "b0536cb4f2c0b415f8116c9fed1730fcc3f2cc9e641060b14ceb6fd0a966a1d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9702036",
    "kind": "arxiv",
    "version": 1
  }
}