Pith Number

pith:VDURWI5J

pith:1995:VDURWI5J3KQHQAF6TCWKBV2SD7

not attested not anchored not stored refs pending

X-ray observations of the peculiar Be star LSI +61 303

P.Goldoni, S.Mereghetti

arxiv:astro-ph/9502044 v1 · 1995-02-07 · astro-ph

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

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	2026-05-18T01:07:42.333257Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8e91b23a9daa07800be98aca0d7521fdc526830ce4edb3e01ba46324d09dbab

Aliases

arxiv: astro-ph/9502044 · arxiv_version: astro-ph/9502044v1 · doi: 10.48550/arxiv.astro-ph/9502044 · pith_short_12: VDURWI5J3KQH · pith_short_16: VDURWI5J3KQHQAF6 · pith_short_8: VDURWI5J

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/VDURWI5J3KQHQAF6TCWKBV2SD7 \
  | 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: a8e91b23a9daa07800be98aca0d7521fdc526830ce4edb3e01ba46324d09dbab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "213087d6620f1cd7767d84affcc2e2eaebaae5d554119dc56e6fdebf1f69a95c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-02-07T12:13:56Z",
    "title_canon_sha256": "fb2fb06c22e6f9f4e10c964862837e40c5829f6c5c34a779a61995013b6c2a91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9502044",
    "kind": "arxiv",
    "version": 1
  }
}