Pith Number

pith:PWVTK4V7

pith:2022:PWVTK4V7SUBQR2BJUX7CRIAIFK

not attested not anchored not stored refs pending

Designing Feature Vector Representations: A case study from Chemistry

Andreas Kerren, Daniel Witschard, Ingrid Hotz, Signe Sidwall Thygesen, Talha Bin Masood

arxiv:2212.03731 v2 · 2022-12-07 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PWVTK4V7SUBQR2BJUX7CRIAIFK}

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	2026-07-05T05:25:32.190883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7dab3572bf950308e829a5fe28a0082abec401decc304e278feaa324d0d45d57

Aliases

arxiv: 2212.03731 · arxiv_version: 2212.03731v2 · doi: 10.48550/arxiv.2212.03731 · pith_short_12: PWVTK4V7SUBQ · pith_short_16: PWVTK4V7SUBQR2BJ · pith_short_8: PWVTK4V7

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/PWVTK4V7SUBQR2BJUX7CRIAIFK \
  | 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: 7dab3572bf950308e829a5fe28a0082abec401decc304e278feaa324d0d45d57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d15e46a15b947205512c8f8760010ce42c2041e36fbe8553b4e13dcaebdf0d5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2022-12-07T15:53:00Z",
    "title_canon_sha256": "cc7e85e302a6caa86a983dc2cb020c286f84b09c47529ccf05504ab79eb63302"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.03731",
    "kind": "arxiv",
    "version": 2
  }
}