Pith Number

pith:7X5PF4MI

pith:2022:7X5PF4MIZCNQPERQXHTNQ7VZP5

not attested not anchored not stored refs pending

polyBERT: A chemical language model to enable fully machine-driven ultrafast polymer informatics

Christopher Kuenneth, Rampi Ramprasad

arxiv:2209.14803 v1 · 2022-09-29 · cond-mat.mtrl-sci · 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{7X5PF4MIZCNQPERQXHTNQ7VZP5}

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	2026-07-05T06:32:34.453005Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdfaf2f188c89b079230b9e6d87eb97f71cf1b6ef40ef5e38977a3122d65b227

Aliases

arxiv: 2209.14803 · arxiv_version: 2209.14803v1 · doi: 10.48550/arxiv.2209.14803 · pith_short_12: 7X5PF4MIZCNQ · pith_short_16: 7X5PF4MIZCNQPERQ · pith_short_8: 7X5PF4MI

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/7X5PF4MIZCNQPERQXHTNQ7VZP5 \
  | 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: fdfaf2f188c89b079230b9e6d87eb97f71cf1b6ef40ef5e38977a3122d65b227

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b813ddb7d7729c1979ab2df7663a2afc2232bd40b4ecfdda44490b5da23c9f4b",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2022-09-29T14:09:54Z",
    "title_canon_sha256": "0d445ffbcc6709bf79e86ea00bad753d473c085a07abead777c979db869c7d15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.14803",
    "kind": "arxiv",
    "version": 1
  }
}