Pith Number

pith:UK4ILLQN

pith:2018:UK4ILLQNME2UQHZ3T3NWL27PDZ

not attested not anchored not stored refs pending

Femtosecond Optical Two-Way Time-Frequency Transfer in the Presence of Motion

Hugo Bergeron, Isaac Khader, Jean-Daniel Desch\^enes, Kevin C. Cossel, Laura C. Sinclair, Michael Cermak, Nathan R. Newbury, William C. Swann

arxiv:1808.07040 v1 · 2018-08-21 · physics.ins-det · 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{UK4ILLQNME2UQHZ3T3NWL27PDZ}

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	2026-05-17T23:52:41.198210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2b885ae0d6135481f3b9edb65ebef1e6720fd7dc14ac213624be105e140f8b3

Aliases

arxiv: 1808.07040 · arxiv_version: 1808.07040v1 · doi: 10.48550/arxiv.1808.07040 · pith_short_12: UK4ILLQNME2U · pith_short_16: UK4ILLQNME2UQHZ3 · pith_short_8: UK4ILLQN

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/UK4ILLQNME2UQHZ3T3NWL27PDZ \
  | 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: a2b885ae0d6135481f3b9edb65ebef1e6720fd7dc14ac213624be105e140f8b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6039fbf7ea223eb997e7a9765db3072dfc652ea369c0f9431ca7241277ccbf63",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2018-08-21T17:50:06Z",
    "title_canon_sha256": "0f4ab7dcd8094eae0d5a35b747f0da7781cc8070bae19983890f619c25219c7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.07040",
    "kind": "arxiv",
    "version": 1
  }
}