Pith Number

pith:Q6XLQ743

pith:2011:Q6XLQ743X65OFOW4E4WYORZV4M

not attested not anchored not stored refs pending

Pseudospectral Calculation of Helium Wave Functions, Expectation Values, and Oscillator Strength

David F. Chernoff, Paul E. Grabowski

arxiv:1107.2150 v1 · 2011-07-11 · physics.atom-ph · physics.comp-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{Q6XLQ743X65OFOW4E4WYORZV4M}

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	2026-05-18T03:23:46.975785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87aeb87f9bbfbae2badc272d874735e311ed355e197de502c5fd05bd6a98bab3

Aliases

arxiv: 1107.2150 · arxiv_version: 1107.2150v1 · doi: 10.48550/arxiv.1107.2150 · pith_short_12: Q6XLQ743X65O · pith_short_16: Q6XLQ743X65OFOW4 · pith_short_8: Q6XLQ743

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/Q6XLQ743X65OFOW4E4WYORZV4M \
  | 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: 87aeb87f9bbfbae2badc272d874735e311ed355e197de502c5fd05bd6a98bab3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcd844d2ec704f5744a73638adf175a835d4c87933f83dcecc23c145f33f0afb",
    "cross_cats_sorted": [
      "physics.comp-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2011-07-11T21:16:16Z",
    "title_canon_sha256": "a7c925bfe2f34a4b131d5213408d06801d0efe82bebfc738a31d2d7728b684c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2150",
    "kind": "arxiv",
    "version": 1
  }
}