Pith Number

pith:LZZYDM6K

pith:2019:LZZYDM6KO7BBNSOQCMK2GGKK34

not attested not anchored not stored refs pending

PUNCH: Positive UNlabelled Classification based information retrieval in Hyperspectral images

Anirban Santara, Ankur Garg, Jayeeta Datta, Kirti Padia, Pabitra Mitra, Sourav Sarkar

arxiv:1904.04547 v1 · 2019-04-09 · cs.IR · 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{LZZYDM6KO7BBNSOQCMK2GGKK34}

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	2026-05-17T23:48:58.776510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e7381b3ca77c216c9d01315a3194adf3a03bfc294dccc0ae0852a5da3f93002

Aliases

arxiv: 1904.04547 · arxiv_version: 1904.04547v1 · doi: 10.48550/arxiv.1904.04547 · pith_short_12: LZZYDM6KO7BB · pith_short_16: LZZYDM6KO7BBNSOQ · pith_short_8: LZZYDM6K

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/LZZYDM6KO7BBNSOQCMK2GGKK34 \
  | 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: 5e7381b3ca77c216c9d01315a3194adf3a03bfc294dccc0ae0852a5da3f93002

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0ed42b3d062da0de5d13c599fcb9b378542370a4001fe4fb23a7e6a05aca756",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-04-09T09:00:28Z",
    "title_canon_sha256": "a4df1707a5bf2e9520a1c660cc3eb32b05b4652feb6692521f8a20283ca4679f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04547",
    "kind": "arxiv",
    "version": 1
  }
}