Pith Number

pith:VSIPFC7X

pith:2019:VSIPFC7XKTGFONNDKZYTZWR6QH

not attested not anchored not stored refs pending

Semi-Local Parameterization of the Electron Localization Function in Second-Order Density Gradients

Alexander Lindmaa, Ann E. Mattsson, Joel Davidsson, Rickard Armiento

arxiv:1908.06947 v1 · 2019-08-19 · 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{VSIPFC7XKTGFONNDKZYTZWR6QH}

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	2026-07-04T23:58:21.491683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac90f28bf754cc5735a356713cda3e81cc42c4e3ffa2d0dd6ce818bbae59705f

Aliases

arxiv: 1908.06947 · arxiv_version: 1908.06947v1 · doi: 10.48550/arxiv.1908.06947 · pith_short_12: VSIPFC7XKTGF · pith_short_16: VSIPFC7XKTGFONND · pith_short_8: VSIPFC7X

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/VSIPFC7XKTGFONNDKZYTZWR6QH \
  | 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: ac90f28bf754cc5735a356713cda3e81cc42c4e3ffa2d0dd6ce818bbae59705f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "694dc6e2ef36bc815966f39f0c63793b6e01f2db1109c0509fee7c3d2cf53e8e",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2019-08-19T17:34:23Z",
    "title_canon_sha256": "f40b5a3dff6481319d6e4dd8ff402c79c2a7ab842fa02e19caf311026618c769"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06947",
    "kind": "arxiv",
    "version": 1
  }
}