Pith Number

pith:M4YCGK6N

pith:2011:M4YCGK6NYKJQX6YTDHVCVAIIW4

not attested not anchored not stored refs pending

Attosecond two-photon interferometry for doubly excited states of helium

B. I. Schneider, C. Ticknor, J. Burgd\"orfer, J. Feist, L. A. Collins, S. Nagele

arxiv:1104.3798 v1 · 2011-04-19 · quant-ph · physics.atom-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{M4YCGK6NYKJQX6YTDHVCVAIIW4}

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	2026-05-18T03:25:06.263732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6730232bcdc2930bfb1319ea2a8108b716214ddafac11f4ecee6f3dc4b847363

Aliases

arxiv: 1104.3798 · arxiv_version: 1104.3798v1 · doi: 10.48550/arxiv.1104.3798 · pith_short_12: M4YCGK6NYKJQ · pith_short_16: M4YCGK6NYKJQX6YT · pith_short_8: M4YCGK6N

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/M4YCGK6NYKJQX6YTDHVCVAIIW4 \
  | 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: 6730232bcdc2930bfb1319ea2a8108b716214ddafac11f4ecee6f3dc4b847363

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c3e63fc085d2236bb6278c9efdef7b051eb7ff345b41d5feb9f5cec23f5cbd7",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-04-19T16:37:45Z",
    "title_canon_sha256": "6dc531394d4909ae9c3c60c617e573b8123384862f507bc1531811636caec933"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.3798",
    "kind": "arxiv",
    "version": 1
  }
}