Pith Number

pith:VO6NL7BL

pith:2020:VO6NL7BL63Q7J6AMTN4S7D6DVF

not attested not anchored not stored refs pending

Interrogating the temporal coherence of EUV frequency combs with highly charged ions

Christoph H. Keitel, Chunhai Lyu, Stefano M. Cavaletto, Zolt\'an Harman

arxiv:2007.01651 v1 · 2020-07-03 · 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{VO6NL7BL63Q7J6AMTN4S7D6DVF}

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	2026-07-05T01:32:09.993890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abbcd5fc2bf6e1f4f80c9b792f8fc3a9435690c17fd09f4a24e684beeebf5704

Aliases

arxiv: 2007.01651 · arxiv_version: 2007.01651v1 · doi: 10.48550/arxiv.2007.01651 · pith_short_12: VO6NL7BL63Q7 · pith_short_16: VO6NL7BL63Q7J6AM · pith_short_8: VO6NL7BL

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/VO6NL7BL63Q7J6AMTN4S7D6DVF \
  | 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: abbcd5fc2bf6e1f4f80c9b792f8fc3a9435690c17fd09f4a24e684beeebf5704

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58769c777bf9a7bc37ba216eff6fb1d7e953f8b8f78131afbab0e546e036b112",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2020-07-03T12:43:41Z",
    "title_canon_sha256": "f75b431f90d5d445e9a63c193196b8873980ebab0b9dd22f50a9aed6035f6ea9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.01651",
    "kind": "arxiv",
    "version": 1
  }
}