Pith Number

pith:PT6GQ3UC

pith:2015:PT6GQ3UCMA3GAEM2GZXJFL5LF2

not attested not anchored not stored refs pending

Action recognition in still images by latent superpixel classification

Mary-Anne Williams, Massimo Piccardi, Shaukat Abidi

arxiv:1507.08363 v1 · 2015-07-30 · 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{PT6GQ3UCMA3GAEM2GZXJFL5LF2}

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	2026-05-18T01:36:07.621443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cfc686e82603660119a366e92afab2ea1cfd2daedb8c0d073d8e98753b8005d

Aliases

arxiv: 1507.08363 · arxiv_version: 1507.08363v1 · doi: 10.48550/arxiv.1507.08363 · pith_short_12: PT6GQ3UCMA3G · pith_short_16: PT6GQ3UCMA3GAEM2 · pith_short_8: PT6GQ3UC

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/PT6GQ3UCMA3GAEM2GZXJFL5LF2 \
  | 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: 7cfc686e82603660119a366e92afab2ea1cfd2daedb8c0d073d8e98753b8005d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a2519fa4a767222fa029cddc32753ea28176c31c35169250855a9288b5968be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-07-30T03:05:47Z",
    "title_canon_sha256": "3459550e9696522cadd74ab7ddf52f233cb6cc69c318fe3fb0cc6a87859452c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08363",
    "kind": "arxiv",
    "version": 1
  }
}