Pith Number

pith:ZXWMZBGR

pith:2015:ZXWMZBGRQ57OFC7S632YUGXSCD

not attested not anchored not stored refs pending

Semiblind Hyperspectral Unmixing in the Presence of Spectral Library Mismatches

Jos\'e Bioucas-Dias, Tsung-Han Chan, Wing-Kin Ma, Xiao Fu

arxiv:1507.01661 v1 · 2015-07-07 · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZXWMZBGRQ57OFC7S632YUGXSCD}

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	2026-05-18T01:08:13.225638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdeccc84d1877ee28bf2f6f58a1af210ebc724084cd3d4ad3f5de4b40edf15a1

Aliases

arxiv: 1507.01661 · arxiv_version: 1507.01661v1 · doi: 10.48550/arxiv.1507.01661 · pith_short_12: ZXWMZBGRQ57O · pith_short_16: ZXWMZBGRQ57OFC7S · pith_short_8: ZXWMZBGR

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/ZXWMZBGRQ57OFC7S632YUGXSCD \
  | 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: cdeccc84d1877ee28bf2f6f58a1af210ebc724084cd3d4ad3f5de4b40edf15a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cfcb8bb39143f713e6222f7694cf8a00c6bfa0681a0347be8f50681d53fedcf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-07-07T03:00:17Z",
    "title_canon_sha256": "8f39171b5240ec93db3a2df6c2038206359c1d6da21a0558910bde6809cc84e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.01661",
    "kind": "arxiv",
    "version": 1
  }
}