Pith Number

pith:F6Y3ZVLY

pith:2021:F6Y3ZVLYT4VWYL7AP36TNO72S5

not attested not anchored not stored refs pending

Externally corrected CCSD with renormalized perturbative triples (R-ecCCSD(T)) and density matrix renormalization group and selected configuration interaction external sources

Cyrus J. Umrigar, Garnet Kin-Lic Chan, Huanchen Zhai, Sandeep Sharma, Seunghoon Lee

arxiv:2102.12703 v1 · 2021-02-25 · 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{F6Y3ZVLYT4VWYL7AP36TNO72S5}

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	2026-07-05T02:18:23.080965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fb1bcd5789f2b6c2fe07efd36bbfa97605ccebf395d120f5e7b0c15d49b581f

Aliases

arxiv: 2102.12703 · arxiv_version: 2102.12703v1 · doi: 10.48550/arxiv.2102.12703 · pith_short_12: F6Y3ZVLYT4VW · pith_short_16: F6Y3ZVLYT4VWYL7A · pith_short_8: F6Y3ZVLY

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/F6Y3ZVLYT4VWYL7AP36TNO72S5 \
  | 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: 2fb1bcd5789f2b6c2fe07efd36bbfa97605ccebf395d120f5e7b0c15d49b581f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cc93fb498409fe356844099ca217c17e0027b823d7116b101090f139a5b56ab",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2021-02-25T06:26:03Z",
    "title_canon_sha256": "ccabb0189d1425567186658cc242e92662d027c3efeeaa3d93b0ff6cbd6e76e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.12703",
    "kind": "arxiv",
    "version": 1
  }
}