Pith Number

pith:2QLTYOH5

pith:2019:2QLTYOH5RYGDVRD4VFGJCDXAJM

not attested not anchored not stored refs pending

Unsupervised Neural Generative Semantic Hashing

Casper Hansen, Christian Hansen, Christina Lioma, Jakob Grue Simonsen, Stephen Alstrup

arxiv:1906.00671 v1 · 2019-06-03 · cs.IR · cs.CL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2QLTYOH5RYGDVRD4VFGJCDXAJM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:44:24.189375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4173c38fd8e0c3ac47ca94c910ee04b2ca848b5680d539e73e6150d6bf79cbe

Aliases

arxiv: 1906.00671 · arxiv_version: 1906.00671v1 · doi: 10.48550/arxiv.1906.00671 · pith_short_12: 2QLTYOH5RYGD · pith_short_16: 2QLTYOH5RYGDVRD4 · pith_short_8: 2QLTYOH5

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/2QLTYOH5RYGDVRD4VFGJCDXAJM \
  | 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: d4173c38fd8e0c3ac47ca94c910ee04b2ca848b5680d539e73e6150d6bf79cbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cde884da569e912f86e216085625c78cbe05866091a5c5ae623516f08245670",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-06-03T09:52:17Z",
    "title_canon_sha256": "0771b055626b7ecb93dd4eda0e9cd0b7f49c741b7b0f4820db482e4e61a059ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.00671",
    "kind": "arxiv",
    "version": 1
  }
}