Pith Number

pith:U4UZG6TQ

pith:2026:U4UZG6TQPHBK623BH7JZAP3W5Z

not attested not anchored not stored refs pending

Categorification of Chemical Reactions: a bottom-up tower from stoichiometry to quantum structure

Kyunghoon Han

arxiv:2605.14974 v1 · 2026-05-14 · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U4UZG6TQPHBK623BH7JZAP3W5Z}

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	2026-05-17T23:38:55.164660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a729937a7079c2af6b613fd3903f76ee5c02ea24373a8c4d51340bea1915b7fe

Aliases

arxiv: 2605.14974 · arxiv_version: 2605.14974v1 · doi: 10.48550/arxiv.2605.14974 · pith_short_12: U4UZG6TQPHBK · pith_short_16: U4UZG6TQPHBK623B · pith_short_8: U4UZG6TQ

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/U4UZG6TQPHBK623BH7JZAP3W5Z \
  | 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: a729937a7079c2af6b613fd3903f76ee5c02ea24373a8c4d51340bea1915b7fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a702d6672585aed211296de79353c85748904b49de70f7a33c7e7a1df3efe400",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2026-05-14T15:37:49Z",
    "title_canon_sha256": "2e54ea4d28ab4ea44c32b52ca59f199f7278445ee99025428bf9d3cfc7dfbb0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.14974",
    "kind": "arxiv",
    "version": 1
  }
}