Pith Number

pith:PL7VUWYL

pith:2011:PL7VUWYLK5GLGP5AKNZRRUIBIB

not attested not anchored not stored refs pending

Rigorous formulation of two-parameter double-hybrid density-functionals

Emmanuel Fromager

arxiv:1109.1485 v2 · 2011-09-07 · 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{PL7VUWYLK5GLGP5AKNZRRUIBIB}

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	2026-05-18T04:04:53.275986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7aff5a5b0b574cb33fa0537318d10140555dc1e5776c67d139777470d2e062f1

Aliases

arxiv: 1109.1485 · arxiv_version: 1109.1485v2 · doi: 10.48550/arxiv.1109.1485 · pith_short_12: PL7VUWYLK5GL · pith_short_16: PL7VUWYLK5GLGP5A · pith_short_8: PL7VUWYL

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/PL7VUWYLK5GLGP5AKNZRRUIBIB \
  | 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: 7aff5a5b0b574cb33fa0537318d10140555dc1e5776c67d139777470d2e062f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ea21b71e357a5848e5fd2f7e784222ecb0ecc47814a1c6a71ecba7e5fe6f9ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2011-09-07T15:14:52Z",
    "title_canon_sha256": "abc1d9218af7869d7ce43cd376aee7c4e1dbb222d1f9556318b4b1adec359a57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1485",
    "kind": "arxiv",
    "version": 2
  }
}