pith. sign in
Pith Number

pith:3JPEPXMT

pith:2010:3JPEPXMTUTH7J2ZMP3HMEX5JG4
not attested not anchored not stored refs pending

Extreme ultraviolet frequency comb metrology

Christoph Gohle, Dominik Z. Kandula, Kjeld S.E. Eikema, Tjeerd J. Pinkert, Wim Ubachs

arxiv:1004.5110 v2 · 2010-04-28 · physics.atom-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{3JPEPXMTUTH7J2ZMP3HMEX5JG4}

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 2026-05-18T04:40:20.249807Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

da5e47dd93a4cff4eb2c7ecec25fa9372f06b1d7880ddccad8480f81b5d37973

Aliases

arxiv: 1004.5110 · arxiv_version: 1004.5110v2 · doi: 10.48550/arxiv.1004.5110 · pith_short_12: 3JPEPXMTUTH7 · pith_short_16: 3JPEPXMTUTH7J2ZM · pith_short_8: 3JPEPXMT
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/3JPEPXMTUTH7J2ZMP3HMEX5JG4 \
  | 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: da5e47dd93a4cff4eb2c7ecec25fa9372f06b1d7880ddccad8480f81b5d37973
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0f12e41077c1d62b3a633b3fbba2f6f9940e920f10fe847a05fbff8a84dee19d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2010-04-28T19:29:32Z",
    "title_canon_sha256": "9d9973c4acb738642c90aa6b3086dd8da5feabbc89e0c7a9ca96a4efd5873219"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.5110",
    "kind": "arxiv",
    "version": 2
  }
}