Pith Number

pith:R77TOL4L

pith:2014:R77TOL4LA27BGWVA4Z72AWWFLB

not attested not anchored not stored refs pending

Fast construction of the exchange operator in an atom-centered basis with concentric atomic density fitting

David S. Hollman, Edward F. Valeev, Henry F. Schaefer

arxiv:1410.4882 v1 · 2014-10-17 · 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{R77TOL4LA27BGWVA4Z72AWWFLB}

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	2026-05-18T02:39:47.559712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fff372f8b06be135aa0e67fa05ac5587501fcf799a99659d200ca9a442b759b

Aliases

arxiv: 1410.4882 · arxiv_version: 1410.4882v1 · doi: 10.48550/arxiv.1410.4882 · pith_short_12: R77TOL4LA27B · pith_short_16: R77TOL4LA27BGWVA · pith_short_8: R77TOL4L

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/R77TOL4LA27BGWVA4Z72AWWFLB \
  | 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: 8fff372f8b06be135aa0e67fa05ac5587501fcf799a99659d200ca9a442b759b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df074d29c2ac8e0edb061c68240080af0d7a6c2c4e86805869e68e612d8fef8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2014-10-17T22:32:23Z",
    "title_canon_sha256": "02541ea65e8007512ea5d263bc4d260ef349c48e715afa8361503ff712f09cc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.4882",
    "kind": "arxiv",
    "version": 1
  }
}