Pith Number

pith:CI5UMM52

pith:2018:CI5UMM52TMVPIJZCAHIVC364BV

not attested not anchored not stored refs pending

Ground and excited energy levels can be extracted exactly from a single ensemble density-functional theory calculation

Emmanuel Fromager, Killian Deur

arxiv:1812.02461 v3 · 2018-12-06 · 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{CI5UMM52TMVPIJZCAHIVC364BV}

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	2026-05-17T23:51:58.750877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

123b4633ba9b2af4272201d1516fdc0d45271b41d5aa1b962303f6da104f6694

Aliases

arxiv: 1812.02461 · arxiv_version: 1812.02461v3 · doi: 10.48550/arxiv.1812.02461 · pith_short_12: CI5UMM52TMVP · pith_short_16: CI5UMM52TMVPIJZC · pith_short_8: CI5UMM52

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/CI5UMM52TMVPIJZCAHIVC364BV \
  | 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: 123b4633ba9b2af4272201d1516fdc0d45271b41d5aa1b962303f6da104f6694

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdbb1c3408636b1860f80504d0ddac4e80582ea22cb798d0a8a86b1f0cc6b9a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2018-12-06T11:16:31Z",
    "title_canon_sha256": "be044fafa04e876740c42ee5bea8e348acb01ff38de134d2b571857e06e4911a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.02461",
    "kind": "arxiv",
    "version": 3
  }
}