Pith Number

pith:E7UVTPWN

pith:2019:E7UVTPWNYODYCL6CLFFSTH2YVD

not attested not anchored not stored refs pending

Multi-Reference Epstein-Nesbet Perturbation Theory with Density Matrix Renormalization Group Reference Wavefunction

Haibo Ma, Yifan Cheng, Yingjin Ma, Yinxuan Song

arxiv:1909.11954 v2 · 2019-09-26 · cond-mat.str-el · 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{E7UVTPWNYODYCL6CLFFSTH2YVD}

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	2026-07-05T01:27:19.440389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27e959becdc387812fc2594b299f58a8c41cd1b93a2a4acae515034a6ac44676

Aliases

arxiv: 1909.11954 · arxiv_version: 1909.11954v2 · doi: 10.48550/arxiv.1909.11954 · pith_short_12: E7UVTPWNYODY · pith_short_16: E7UVTPWNYODYCL6C · pith_short_8: E7UVTPWN

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/E7UVTPWNYODYCL6CLFFSTH2YVD \
  | 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: 27e959becdc387812fc2594b299f58a8c41cd1b93a2a4acae515034a6ac44676

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbedcf2c726bbc5bb90415757f50fe0269ae965d2ddbdeca3bc78d87774568a8",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2019-09-26T07:38:52Z",
    "title_canon_sha256": "60a6b6c63c53cc9d4934ea83408f22426b76ba033a5f2a35bbae8dc39f458eef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.11954",
    "kind": "arxiv",
    "version": 2
  }
}