Pith Number

pith:NTXQ6HZN

pith:2015:NTXQ6HZN5RSXR37DTCH2R5N7LR

not attested not anchored not stored refs pending

Density-matrix based determination of low-energy model Hamiltonians from ab initio wavefunctions

Hitesh J. Changlani, Huihuo Zheng, Lucas K. Wagner

arxiv:1504.03704 v3 · 2015-04-14 · cond-mat.str-el · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NTXQ6HZN5RSXR37DTCH2R5N7LR}

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	2026-05-18T01:35:52.835455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cef0f1f2dec6578efe3988fa8f5bf5c49857b67858083f49d0cee6e70a6bab0

Aliases

arxiv: 1504.03704 · arxiv_version: 1504.03704v3 · doi: 10.48550/arxiv.1504.03704 · pith_short_12: NTXQ6HZN5RSX · pith_short_16: NTXQ6HZN5RSXR37D · pith_short_8: NTXQ6HZN

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/NTXQ6HZN5RSXR37DTCH2R5N7LR \
  | 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: 6cef0f1f2dec6578efe3988fa8f5bf5c49857b67858083f49d0cee6e70a6bab0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d16badf207bdb45b204cad0fc1e6746c5bedefa8db96651d75f43a8110cf289d",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2015-04-14T20:18:05Z",
    "title_canon_sha256": "bd1f0cc218d811ff7fc10fa8091d4b3b946e023fa20104aaa33786ec5df7facf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03704",
    "kind": "arxiv",
    "version": 3
  }
}