Pith Number

pith:PKOP7UV6

pith:2016:PKOP7UV6FHAAT4VD2P4CH33AKX

not attested not anchored not stored refs pending

Interpretable Semantic Textual Similarity: Finding and explaining differences between sentences

A. Gonzalez-Agirre, E. Agirre, G. Rigau, I. Lopez-Gazpio, L. Uria, M. Maritxalar

arxiv:1612.04868 v1 · 2016-12-14 · cs.CL · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PKOP7UV6FHAAT4VD2P4CH33AKX}

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	2026-05-18T00:54:57.503478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a9cffd2be29c009f2a3d3f823ef6055c3efe759eff239385773f4f5f96c5fb0

Aliases

arxiv: 1612.04868 · arxiv_version: 1612.04868v1 · doi: 10.48550/arxiv.1612.04868 · pith_short_12: PKOP7UV6FHAA · pith_short_16: PKOP7UV6FHAAT4VD · pith_short_8: PKOP7UV6

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/PKOP7UV6FHAAT4VD2P4CH33AKX \
  | 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: 7a9cffd2be29c009f2a3d3f823ef6055c3efe759eff239385773f4f5f96c5fb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ebc2a3635f41a3e99839efa47e9d559c141e5b9b583a9314eecfdff72c48e03",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2016-12-14T22:22:33Z",
    "title_canon_sha256": "1e5c444aec229425ceeb1bdbfe9667675539634af627da5adf6f8806892a3ea8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.04868",
    "kind": "arxiv",
    "version": 1
  }
}