Pith Number

pith:YPBC2O2Y

pith:2015:YPBC2O2YXSNZL5RXIUYTWM54U3

not attested not anchored not stored refs pending

A Visual Embedding for the Unsupervised Extraction of Abstract Semantics

D. Garcia-Gasulla, E. Ayguad\'e, J. B\'ejar, J. Labarta, R. Chen, T. Suzumura, U. Cort\'es

arxiv:1507.08818 v6 · 2015-07-31 · cs.CV · cs.LG · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YPBC2O2YXSNZL5RXIUYTWM54U3}

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	2026-05-18T00:54:53.021726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3c22d3b58bc9b95f63745313b33bca6e60c67148a74301c9c4c3c53d92ff294

Aliases

arxiv: 1507.08818 · arxiv_version: 1507.08818v6 · doi: 10.48550/arxiv.1507.08818 · pith_short_12: YPBC2O2YXSNZ · pith_short_16: YPBC2O2YXSNZL5RX · pith_short_8: YPBC2O2Y

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/YPBC2O2YXSNZL5RXIUYTWM54U3 \
  | 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: c3c22d3b58bc9b95f63745313b33bca6e60c67148a74301c9c4c3c53d92ff294

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb97b1cb122ba2a197cd6cb606d1e98c65be343bea277838e834dff14595cb65",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-07-31T10:16:42Z",
    "title_canon_sha256": "fdef63d08edd02f1383dae1d6461079376d576918950d6ce82c14f7bd742d218"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08818",
    "kind": "arxiv",
    "version": 6
  }
}