Pith Number

pith:F5WXYTYI

pith:2026:F5WXYTYIYZYLAM6ODWFWJTYYXP

not attested not anchored not stored refs pending

Radical-Fragment Many-Body Expansion for Linear Alkane Quantum Chemistry

Daniel Sierra-Sosa, Gregorio Toscano-Pulido, Jorge Saavedra, Santiago Solares

arxiv:2606.31117 v1 · 2026-06-30 · physics.chem-ph · quant-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{F5WXYTYIYZYLAM6ODWFWJTYYXP}

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	2026-07-01T01:17:29.663168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f6d7c4f08c670b033ce1d8b64cf18bbe10b05714e771dc3ad243b303647cddd

Aliases

arxiv: 2606.31117 · arxiv_version: 2606.31117v1 · doi: 10.48550/arxiv.2606.31117 · pith_short_12: F5WXYTYIYZYL · pith_short_16: F5WXYTYIYZYLAM6O · pith_short_8: F5WXYTYI

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/F5WXYTYIYZYLAM6ODWFWJTYYXP \
  | 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: 2f6d7c4f08c670b033ce1d8b64cf18bbe10b05714e771dc3ad243b303647cddd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45275078897f61f6876eaddc1bc7e95bf11d7e7eb98016ef2676d1bbe98f01d4",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2026-06-30T04:24:40Z",
    "title_canon_sha256": "264f90e766146a1166bad2a96e0bc7f8d7ea587a39ec540e2dfeaeb8190a2ddd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31117",
    "kind": "arxiv",
    "version": 1
  }
}