Pith Number

pith:F6NRJOI2

pith:2015:F6NRJOI2PD3BBH7B53NVY7SDJI

not attested not anchored not stored refs pending

Classification of Hyperspectral Imagery on Embedded Grassmannians

Michael Kirby, Sofya Chepushtanova

arxiv:1502.00946 v1 · 2015-02-03 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F6NRJOI2PD3BBH7B53NVY7SDJI}

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	2026-05-18T02:27:59.178463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f9b14b91a78f6109fe1eedb5c7e434a336957b6a6c8dcb8b5103ac4caf5d040

Aliases

arxiv: 1502.00946 · arxiv_version: 1502.00946v1 · doi: 10.48550/arxiv.1502.00946 · pith_short_12: F6NRJOI2PD3B · pith_short_16: F6NRJOI2PD3BBH7B · pith_short_8: F6NRJOI2

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/F6NRJOI2PD3BBH7B53NVY7SDJI \
  | 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: 2f9b14b91a78f6109fe1eedb5c7e434a336957b6a6c8dcb8b5103ac4caf5d040

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9de930137a52bff49d5117067e89ee730a9db8a487a6a5cb7b495417f683715f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-02-03T18:17:13Z",
    "title_canon_sha256": "041da1b22554866f274c9fef975484f9f41088f8bd2a41f3f06e9f80587719ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00946",
    "kind": "arxiv",
    "version": 1
  }
}