Pith Number

pith:TYQAUN4J

pith:2015:TYQAUN4JGUONWH7NC3BIMRTGYI

not attested not anchored not stored refs pending

SegSALSA-STR: A convex formulation to supervised hyperspectral image segmentation using hidden fields and structure tensor regularization

Filipe Condessa, Jelena Kovacevic, Jose Bioucas-Dias

arxiv:1504.07028 v1 · 2015-04-27 · 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{TYQAUN4JGUONWH7NC3BIMRTGYI}

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	2026-05-18T02:17:43.858451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e200a3789351cdb1fed16c2864666c22f779c317084b057bfade9a7e5fa532d

Aliases

arxiv: 1504.07028 · arxiv_version: 1504.07028v1 · doi: 10.48550/arxiv.1504.07028 · pith_short_12: TYQAUN4JGUON · pith_short_16: TYQAUN4JGUONWH7N · pith_short_8: TYQAUN4J

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/TYQAUN4JGUONWH7NC3BIMRTGYI \
  | 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: 9e200a3789351cdb1fed16c2864666c22f779c317084b057bfade9a7e5fa532d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70c0652da7b6b948dc66f3c99a088c8a50bd068e08e8ef8211f51cf9f825af44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-04-27T11:08:53Z",
    "title_canon_sha256": "e2084b84aa08f64b4d684527553a0f2ffa20ce5eb0cbe407bce4d9a8d55e6111"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07028",
    "kind": "arxiv",
    "version": 1
  }
}