Pith Number

pith:G2DIIPYL

pith:2019:G2DIIPYLMI6PLHEOSDODRMVICX

not attested not anchored not stored refs pending

Tracking excited states in wave function optimization using density matrices and variational principles

Eric Neuscamman, Jacqueline A. R. Shea, Lan Nguyen Tran

arxiv:1904.05489 v1 · 2019-04-11 · cond-mat.str-el · physics.chem-ph

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

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	2026-05-17T23:48:49.358682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3686843f0b623cf59c8e90dc38b2a815f0458a1887fcafa12b0565ec2b41c1df

Aliases

arxiv: 1904.05489 · arxiv_version: 1904.05489v1 · doi: 10.48550/arxiv.1904.05489 · pith_short_12: G2DIIPYLMI6P · pith_short_16: G2DIIPYLMI6PLHEO · pith_short_8: G2DIIPYL

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/G2DIIPYLMI6PLHEOSDODRMVICX \
  | 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: 3686843f0b623cf59c8e90dc38b2a815f0458a1887fcafa12b0565ec2b41c1df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22745597a12be05524528a9e8579c9cb1cbc083ed63894c7b791a58dad107b74",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2019-04-11T00:54:09Z",
    "title_canon_sha256": "4a8a2bf53ff47ae36271efff5de304fc4e74d29a79d7340a1513557793c40262"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05489",
    "kind": "arxiv",
    "version": 1
  }
}