Pith Number

pith:L2TFQQLE

pith:2019:L2TFQQLEFAE4GGW5RQEGPS353L

not attested not anchored not stored refs pending

A density functional method for general excited states in atoms

Amlan K. Roy

arxiv:1904.08717 v1 · 2019-04-18 · physics.chem-ph · physics.atom-ph · quant-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{L2TFQQLEFAE4GGW5RQEGPS353L}

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	2026-05-17T23:48:13.257807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ea65841642809c31add8c0867cb7ddac18b6307071c18efe1ef72de4f030989

Aliases

arxiv: 1904.08717 · arxiv_version: 1904.08717v1 · doi: 10.48550/arxiv.1904.08717 · pith_short_12: L2TFQQLEFAE4 · pith_short_16: L2TFQQLEFAE4GGW5 · pith_short_8: L2TFQQLE

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/L2TFQQLEFAE4GGW5RQEGPS353L \
  | 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: 5ea65841642809c31add8c0867cb7ddac18b6307071c18efe1ef72de4f030989

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81995b5c708724559c15a69714ce5310b8727058feef81eb5dfb531de536d70a",
    "cross_cats_sorted": [
      "physics.atom-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2019-04-18T12:11:26Z",
    "title_canon_sha256": "14a401b092d9148c94a463330cf039ec5ce95868c7932f3c90b9a71cf6cc4fa5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08717",
    "kind": "arxiv",
    "version": 1
  }
}