Pith Number

pith:XHUKRNKK

pith:1998:XHUKRNKKMC3ZUKQVRKRSY3HAE3

not attested not anchored not stored refs pending

Compatibility of neutron star masses and hyperon coupling constants

F. Weber (University of Munich), H. Huber, M. K. Weigel

arxiv:astro-ph/9811463 v1 · 1998-11-30 · 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{XHUKRNKKMC3ZUKQVRKRSY3HAE3}

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	2026-05-18T01:40:13.571692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9e8a8b54a60b79a2a158aa32c6ce026d940992d51339f0983bfec0d48d6cbc2

Aliases

arxiv: astro-ph/9811463 · arxiv_version: astro-ph/9811463v1 · doi: 10.48550/arxiv.astro-ph/9811463 · pith_short_12: XHUKRNKKMC3Z · pith_short_16: XHUKRNKKMC3ZUKQV · pith_short_8: XHUKRNKK

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/XHUKRNKKMC3ZUKQVRKRSY3HAE3 \
  | 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: b9e8a8b54a60b79a2a158aa32c6ce026d940992d51339f0983bfec0d48d6cbc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af63de94d5cf7c97f54464dacebea4fb704f114e28b86bc22286695283398856",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-11-30T14:37:42Z",
    "title_canon_sha256": "91d70c44afb6eddd86ae5236e76626f3a9bcca16a2c62cbaabb20063aab363d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9811463",
    "kind": "arxiv",
    "version": 1
  }
}