Pith Number

pith:UKBS7QDF

pith:2009:UKBS7QDFZB4I5VN7QRUF2QJUMN

not attested not anchored not stored refs pending

On the Atomic Photoeffect in Non-relativistic QED

Heribert Zenk, Marcel Griesemer

arxiv:0910.1809 v1 · 2009-10-09 · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UKBS7QDFZB4I5VN7QRUF2QJUMN}

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	2026-05-18T02:11:25.056177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2832fc065c8788ed5bf84685d413463609269937bd6b649d59c2013610b5a87

Aliases

arxiv: 0910.1809 · arxiv_version: 0910.1809v1 · doi: 10.48550/arxiv.0910.1809 · pith_short_12: UKBS7QDFZB4I · pith_short_16: UKBS7QDFZB4I5VN7 · pith_short_8: UKBS7QDF

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/UKBS7QDFZB4I5VN7QRUF2QJUMN \
  | 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: a2832fc065c8788ed5bf84685d413463609269937bd6b649d59c2013610b5a87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fc85702c7e8c93a63e12941c46c468668e16e0ed6289571931e14dd1f224a1b",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2009-10-09T18:16:17Z",
    "title_canon_sha256": "aa7a7c4fd7f58369a6bbee646bffc15552749cd8fb8a3f12d8f4b18840d8216d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1809",
    "kind": "arxiv",
    "version": 1
  }
}