Pith Number

pith:SP2F4BW7

pith:2025:SP2F4BW7JZPIT4YKNFXTFG2MM7

not attested not anchored not stored refs pending

Topic Modeling and Link-Prediction for Material Property Discovery

Boian S. Alexandrov, Cynthia Matuszek, Maksim E. Eren, Ryan C. Barron, Valentin Stanev

arxiv:2507.06139 v1 · 2025-07-08 · cs.LG · cs.AI · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SP2F4BW7JZPIT4YKNFXTFG2MM7}

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	2026-07-05T11:33:41.884293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93f45e06df4e5e89f30a696f329b4c67eb76863ba5447817e4e53f04d5401e85

Aliases

arxiv: 2507.06139 · arxiv_version: 2507.06139v1 · doi: 10.48550/arxiv.2507.06139 · pith_short_12: SP2F4BW7JZPI · pith_short_16: SP2F4BW7JZPIT4YK · pith_short_8: SP2F4BW7

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/SP2F4BW7JZPIT4YKNFXTFG2MM7 \
  | 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: 93f45e06df4e5e89f30a696f329b4c67eb76863ba5447817e4e53f04d5401e85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb707289a3055d9ab239478b9814c952eb226dd905b8f9cda540d071346b72c1",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-07-08T16:20:46Z",
    "title_canon_sha256": "6475c5b8ec861306bad1bd4e339166d175984a486ec676a6ebbd4742fc600615"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.06139",
    "kind": "arxiv",
    "version": 1
  }
}