Pith Number

pith:WDSBZ3LK

pith:2026:WDSBZ3LK5CIBWJJS3CW4AA5LYC

not attested not anchored not stored refs pending

Ab initio quantum embedding at finite temperature with density matrix embedding theory

Chong Sun, Laurence Giordano, Y. Stanley Tan, Zhi-Hao Cui

arxiv:2601.01641 v2 · 2026-01-04 · physics.comp-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{WDSBZ3LK5CIBWJJS3CW4AA5LYC}

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	2026-07-13T01:20:05.465775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0e41ced6ae8901b2532d8adc003abc0814b16515c7a066a21c08b1da72beba1

Aliases

arxiv: 2601.01641 · arxiv_version: 2601.01641v2 · doi: 10.48550/arxiv.2601.01641 · pith_short_12: WDSBZ3LK5CIB · pith_short_16: WDSBZ3LK5CIBWJJS · pith_short_8: WDSBZ3LK

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/WDSBZ3LK5CIBWJJS3CW4AA5LYC \
  | 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: b0e41ced6ae8901b2532d8adc003abc0814b16515c7a066a21c08b1da72beba1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e7f523bbcb528e148cd730050347764e8195b5c7ddf29d61506de237eca848b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2026-01-04T19:12:50Z",
    "title_canon_sha256": "8c9770f4e541e3508b280813b96ed851fa999d42626eec1188dae5196688b68c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.01641",
    "kind": "arxiv",
    "version": 2
  }
}