Pith Number

pith:FWNTZELE

pith:2000:FWNTZELEFZFQNLLAXEURBWR7EM

not attested not anchored not stored refs pending

Cirrus spectra of low surface brightness regions

D. Lemke, K. Mattila, M. Juvela

arxiv:astro-ph/0005563 v1 · 2000-05-30 · 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{FWNTZELEFZFQNLLAXEURBWR7EM}

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	2026-07-04T14:10:24.320323Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d9b3c91642e4b06ad60b92910da3f230753e58be06bf1dc5908f1956bdb70e8

Aliases

arxiv: astro-ph/0005563 · arxiv_version: astro-ph/0005563v1 · doi: 10.48550/arxiv.astro-ph/0005563 · pith_short_12: FWNTZELEFZFQ · pith_short_16: FWNTZELEFZFQNLLA · pith_short_8: FWNTZELE

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/FWNTZELEFZFQNLLAXEURBWR7EM \
  | 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: 2d9b3c91642e4b06ad60b92910da3f230753e58be06bf1dc5908f1956bdb70e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8a141fe769bc274a82dd9539371ab312dc358567bef6c77efd136dd413bf0b8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-05-30T07:42:26Z",
    "title_canon_sha256": "511ca1f0f22b4af834a228a130c6fff17c8a5ede8515ac3d4ce1b1b5baaac155"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0005563",
    "kind": "arxiv",
    "version": 1
  }
}