Pith Number

pith:3VYQPTWD

pith:2011:3VYQPTWDGFJVJAC6A327CXIFLT

not attested not anchored not stored refs pending

Classification of Stellar Spectra with LLE

Andrew J. Connolly, Jake Vanderplas, Jeff Schneider, Liang Xiong, Scott F. Daniel

arxiv:1110.4646 v1 · 2011-10-20 · 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{3VYQPTWDGFJVJAC6A327CXIFLT}

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	2026-05-18T04:08:14.305944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd7107cec3315354805e06f5f15d055cc2c1ff123a71da029816fe3e6521ed4d

Aliases

arxiv: 1110.4646 · arxiv_version: 1110.4646v1 · doi: 10.48550/arxiv.1110.4646 · pith_short_12: 3VYQPTWDGFJV · pith_short_16: 3VYQPTWDGFJVJAC6 · pith_short_8: 3VYQPTWD

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/3VYQPTWDGFJVJAC6A327CXIFLT \
  | 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: dd7107cec3315354805e06f5f15d055cc2c1ff123a71da029816fe3e6521ed4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "429ec238f5fb5c0674af3510ab9e50041eb374e7f47d8b86ec4fd795e0545d01",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-10-20T20:33:44Z",
    "title_canon_sha256": "d47e9b87df577475435023ba1297951e1a80fd40be69a0c86fd1351f05ccfb2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4646",
    "kind": "arxiv",
    "version": 1
  }
}