Pith Number

pith:ZPYPANNW

pith:2021:ZPYPANNWMRHPLRQ4AJOYLA3V2G

not attested not anchored not stored refs pending

Challenges for variational reduced-density-matrix theory with three-particle N-representability conditions

A. Eugene DePrince III, Marcus D. Liebenthal, Run R. Li

arxiv:2109.14384 v2 · 2021-09-29 · 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{ZPYPANNWMRHPLRQ4AJOYLA3V2G}

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	2026-07-05T08:33:23.198448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbf0f035b6644ef5c61c025d858375d1a302d5eaededbb3d2e9a7bea232068ed

Aliases

arxiv: 2109.14384 · arxiv_version: 2109.14384v2 · doi: 10.48550/arxiv.2109.14384 · pith_short_12: ZPYPANNWMRHP · pith_short_16: ZPYPANNWMRHPLRQ4 · pith_short_8: ZPYPANNW

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/ZPYPANNWMRHPLRQ4AJOYLA3V2G \
  | 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: cbf0f035b6644ef5c61c025d858375d1a302d5eaededbb3d2e9a7bea232068ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a981dbe853c2f2c6ea090ba0fb90326b96c020cf8bcc5dcd75c7cca950d05a21",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2021-09-29T12:37:06Z",
    "title_canon_sha256": "3fe48a5fabc19ffa283ea3a733367234d9c17d3f2587b764c22b4a03a72e6774"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.14384",
    "kind": "arxiv",
    "version": 2
  }
}