Pith Number

pith:VQL74VYS

pith:2014:VQL74VYSS372RFST7GTTVGLDOF

not attested not anchored not stored refs pending

Spectroscopic analysis of cool giants and supergiants

Ben Davies, Maria Bergemann, Rolf-Peter Kudritzki

arxiv:1403.3087 v1 · 2014-03-12 · 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{VQL74VYSS372RFST7GTTVGLDOF}

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	2026-05-18T01:10:33.680965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac17fe571296ffa89653f9a73a9963714850108e02c6655d6766b2cb7af01ca2

Aliases

arxiv: 1403.3087 · arxiv_version: 1403.3087v1 · doi: 10.48550/arxiv.1403.3087 · pith_short_12: VQL74VYSS372 · pith_short_16: VQL74VYSS372RFST · pith_short_8: VQL74VYS

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/VQL74VYSS372RFST7GTTVGLDOF \
  | 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: ac17fe571296ffa89653f9a73a9963714850108e02c6655d6766b2cb7af01ca2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7460a8d90829aeabd88aa65d4a57bdfab654e186a6d2e13ce4326cb14ef5561",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-03-12T20:00:10Z",
    "title_canon_sha256": "ee64aeeb86f4a9c793d5df0107932497b35f66673c6eca389fcf0ede699e4512"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.3087",
    "kind": "arxiv",
    "version": 1
  }
}