Pith Number

pith:I45SA5HC

pith:2015:I45SA5HCTTMCU7I576ZOALCS6L

not attested not anchored not stored refs pending

A spatial compositional model (SCM) for linear unmixing and endmember uncertainty estimation

Anand Rangarajan, Paul Gader, Yuan Zhou

arxiv:1509.09243 v1 · 2015-09-30 · 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{I45SA5HCTTMCU7I576ZOALCS6L}

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	2026-05-18T00:57:18.269972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

473b2074e29cd82a7d1dffb2e02c52f2cdcc8d3a3d7a1cf82b75d6a000b09087

Aliases

arxiv: 1509.09243 · arxiv_version: 1509.09243v1 · doi: 10.48550/arxiv.1509.09243 · pith_short_12: I45SA5HCTTMC · pith_short_16: I45SA5HCTTMCU7I5 · pith_short_8: I45SA5HC

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/I45SA5HCTTMCU7I576ZOALCS6L \
  | 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: 473b2074e29cd82a7d1dffb2e02c52f2cdcc8d3a3d7a1cf82b75d6a000b09087

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb3a17bd3de6e3df19e4228cd691ed9750f6987c10d64e146a12169a46e51168",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-09-30T16:24:45Z",
    "title_canon_sha256": "9f04d76f116792792d9b529654638813d381b7ae93c7b3d65c290353dab5ac88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.09243",
    "kind": "arxiv",
    "version": 1
  }
}