Pith Number

pith:EDWSHAUD

pith:2011:EDWSHAUD5VKPTUSZFONLG6BEUQ

not attested not anchored not stored refs pending

Back-to-back emission of the electrons in double photoionization of helium

E. G. Drukarev, E. Z. Liverts, M. Ya. Amusia

arxiv:1111.6242 v2 · 2011-11-27 · 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{EDWSHAUD5VKPTUSZFONLG6BEUQ}

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	2026-05-18T01:59:23.371893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20ed238283ed54f9d2592b9ab37824a41182719c0f4441d5dc6e57cb5c7566ee

Aliases

arxiv: 1111.6242 · arxiv_version: 1111.6242v2 · doi: 10.48550/arxiv.1111.6242 · pith_short_12: EDWSHAUD5VKP · pith_short_16: EDWSHAUD5VKPTUSZ · pith_short_8: EDWSHAUD

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/EDWSHAUD5VKPTUSZFONLG6BEUQ \
  | 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: 20ed238283ed54f9d2592b9ab37824a41182719c0f4441d5dc6e57cb5c7566ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55156d49a0f56ef471db23b6a7c5c3a2a6105d990bcc081c27171b1db4267839",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2011-11-27T10:10:20Z",
    "title_canon_sha256": "97940e3e141a5303fd3c29b5e03e481c5bc4f1f66171c926d0c281af8caf5f26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6242",
    "kind": "arxiv",
    "version": 2
  }
}