Pith Number

pith:KV4MFMWU

pith:1998:KV4MFMWU6TG7MNKLHIOQOZ24SZ

not attested not anchored not stored refs pending

Search for the 3He isotope in the atmospheres of HgMn stars

(2) Institute of Astronomy, (3) NAO - Rozhen, Bulgaria, Bulgaria), I. Iliev (3) ((1) Inst. Astr. Sofia, I. Stateva (1), Moscow, T. Ryabchikova (2)

arxiv:astro-ph/9805207 v1 · 1998-05-15 · 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{KV4MFMWU6TG7MNKLHIOQOZ24SZ}

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	2026-05-18T01:07:37.449999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5578c2b2d4f4cdf6354b3a1d07675c9655c064b66045d714e70de6c8d1287b3f

Aliases

arxiv: astro-ph/9805207 · arxiv_version: astro-ph/9805207v1 · doi: 10.48550/arxiv.astro-ph/9805207 · pith_short_12: KV4MFMWU6TG7 · pith_short_16: KV4MFMWU6TG7MNKL · pith_short_8: KV4MFMWU

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/KV4MFMWU6TG7MNKLHIOQOZ24SZ \
  | 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: 5578c2b2d4f4cdf6354b3a1d07675c9655c064b66045d714e70de6c8d1287b3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a3445af5185e32e42e28b543351098fbb0335128cb305912ae8178129642f3d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-05-15T09:18:18Z",
    "title_canon_sha256": "c4c6e27f7032927c44ea1649454c7769b466703a3b72d171b187d02c6c99e14e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9805207",
    "kind": "arxiv",
    "version": 1
  }
}