Pith Number

pith:4DWAR67Z

pith:2014:4DWAR67Z6Q7T2BJ2HXPNUF5DSD

not attested not anchored not stored refs pending

Bayesian nonlinear hyperspectral unmixing with spatial residual component analysis

Marcelo Pereyra, Stephen McLaughlin, Yoann Altmann

arxiv:1412.4681 v2 · 2014-12-15 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4DWAR67Z6Q7T2BJ2HXPNUF5DSD}

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	2026-05-18T01:31:11.518895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0ec08fbf9f43f3d053a3ddeda17a390f9b19cc3a79fbebd9a97f8dd0ea67820

Aliases

arxiv: 1412.4681 · arxiv_version: 1412.4681v2 · doi: 10.48550/arxiv.1412.4681 · pith_short_12: 4DWAR67Z6Q7T · pith_short_16: 4DWAR67Z6Q7T2BJ2 · pith_short_8: 4DWAR67Z

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/4DWAR67Z6Q7T2BJ2HXPNUF5DSD \
  | 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: e0ec08fbf9f43f3d053a3ddeda17a390f9b19cc3a79fbebd9a97f8dd0ea67820

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2def1dfd4b03cbfbfaf54a0ccfbe1fb7842498c36cd5657d789093a4017a8bbf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2014-12-15T17:14:48Z",
    "title_canon_sha256": "565401c28541c42013e1066c0ce3c6aaa2d285b81f19e202c62c476a655a9e66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.4681",
    "kind": "arxiv",
    "version": 2
  }
}