Pith Number

pith:7ZIMXYVE

pith:2016:7ZIMXYVEYTVI4YO2KQFP7CSKM3

not attested not anchored not stored refs pending

Hyperspectral Unmixing with Endmember Variability using Partial Membership Latent Dirichlet Allocation

Alina Zare, Sheng Zou

arxiv:1609.03500 v1 · 2016-09-12 · 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{7ZIMXYVEYTVI4YO2KQFP7CSKM3}

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	2026-05-18T01:04:46.802187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe50cbe2a4c4ea8e61da540aff8a4a66ca7c392750959d7c3e8c8438182c10a0

Aliases

arxiv: 1609.03500 · arxiv_version: 1609.03500v1 · doi: 10.48550/arxiv.1609.03500 · pith_short_12: 7ZIMXYVEYTVI · pith_short_16: 7ZIMXYVEYTVI4YO2 · pith_short_8: 7ZIMXYVE

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/7ZIMXYVEYTVI4YO2KQFP7CSKM3 \
  | 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: fe50cbe2a4c4ea8e61da540aff8a4a66ca7c392750959d7c3e8c8438182c10a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc6b77c815b387ab1ffe51a65f80d171a81a6e5d95ba80a510eb8c53eb9fec5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-09-12T17:32:41Z",
    "title_canon_sha256": "4832b8be62c7928bd9905ae64886f44aceb88e4d14dacf6b88d80b32710e22ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.03500",
    "kind": "arxiv",
    "version": 1
  }
}