Pith Number

pith:QQ6NW5SE

pith:2022:QQ6NW5SECAU7I226G6AZ4GTG2U

not attested not anchored not stored refs pending

Density-of-states similarity descriptor for unsupervised learning from materials data

Claudia Draxl, Markus Scheidgen, Martin Kuban, Santiago Rigamonti

arxiv:2201.02187 v1 · 2022-01-06 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QQ6NW5SECAU7I226G6AZ4GTG2U}

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	2026-07-05T03:46:31.009428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

843cdb76441029f46b5e37819e1a66d52e2857be4f5f8ee63a453272c6da1263

Aliases

arxiv: 2201.02187 · arxiv_version: 2201.02187v1 · doi: 10.48550/arxiv.2201.02187 · pith_short_12: QQ6NW5SECAU7 · pith_short_16: QQ6NW5SECAU7I226 · pith_short_8: QQ6NW5SE

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/QQ6NW5SECAU7I226G6AZ4GTG2U \
  | 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: 843cdb76441029f46b5e37819e1a66d52e2857be4f5f8ee63a453272c6da1263

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81d4b91300eaa2fc5c03c9d9718bf6f31cab501fddcfd91169bbbd71be6d70d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2022-01-06T18:52:52Z",
    "title_canon_sha256": "e5005f6685ab78b83be7a82320dddd2f043ad40fe3bc1f193292f63c5f1aa96f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.02187",
    "kind": "arxiv",
    "version": 1
  }
}