Pith Number

pith:EOAKEH6U

pith:2011:EOAKEH6U3BEONDCWSPBR52THA5

not attested not anchored not stored refs pending

Direct Frequency Comb Spectroscopy in the Extreme Ultraviolet

Arman Cingoz, Axel Ruehl, Dylan C. Yost, Ingmar Hartl, Jun Ye, Martin E. Fermann, Thomas K. Allison

arxiv:1109.1871 v1 · 2011-09-09 · physics.atom-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EOAKEH6U3BEONDCWSPBR52THA5}

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	2026-05-18T02:00:37.528291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2380a21fd4d848e68c5693c31eea6707673861ed9042848f16e937d9ebb13339

Aliases

arxiv: 1109.1871 · arxiv_version: 1109.1871v1 · doi: 10.48550/arxiv.1109.1871 · pith_short_12: EOAKEH6U3BEO · pith_short_16: EOAKEH6U3BEONDCW · pith_short_8: EOAKEH6U

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/EOAKEH6U3BEONDCWSPBR52THA5 \
  | 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: 2380a21fd4d848e68c5693c31eea6707673861ed9042848f16e937d9ebb13339

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f540eacf888a203973419a19edda08936123c9a8d85b5bb4c5ac0b39ebfe25e2",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2011-09-09T01:35:05Z",
    "title_canon_sha256": "10be24f2cfdb93a3e12150c75f3543516135857cdb08fe1d809625dbaab6fe5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1871",
    "kind": "arxiv",
    "version": 1
  }
}