Pith Number

pith:FO4RRVEF

pith:2011:FO4RRVEF5HD33LENONVCTMRTE5

not attested not anchored not stored refs pending

Spectral Analysis via the Virtual Observatory: The Service Theossa

Ellen Ringat, Klaus Werner, Thomas Rauch

arxiv:1111.3146 v1 · 2011-11-14 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FO4RRVEF5HD33LENONVCTMRTE5}

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	2026-05-18T00:21:29.671535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bb918d485e9c7bdac8d736a29b233274aaea4121325fcf5b4205cc3ba669442

Aliases

arxiv: 1111.3146 · arxiv_version: 1111.3146v1 · doi: 10.48550/arxiv.1111.3146 · pith_short_12: FO4RRVEF5HD3 · pith_short_16: FO4RRVEF5HD33LEN · pith_short_8: FO4RRVEF

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/FO4RRVEF5HD33LENONVCTMRTE5 \
  | 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: 2bb918d485e9c7bdac8d736a29b233274aaea4121325fcf5b4205cc3ba669442

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3ca907429e95826da840c071040e40d37375d6c1df61b0177712916598de9e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-11-14T09:12:55Z",
    "title_canon_sha256": "479c87d087d85401630902915eeefc9d722c078fa3a3c7d32881d03aad62644c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.3146",
    "kind": "arxiv",
    "version": 1
  }
}