Pith Number

pith:7ELJN6DL

pith:2014:7ELJN6DL6G6EXNIGXC5NUDM3EC

not attested not anchored not stored refs pending

Optical phase-noise dynamics of Titanium:sapphire optical frequency combs

Leo Hollberg, Qudsia Quraishi, Scott Diddams

arxiv:1401.1542 v1 · 2014-01-07 · 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{7ELJN6DL6G6EXNIGXC5NUDM3EC}

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	2026-05-18T00:49:08.800750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f91696f86bf1bc4bb506b8bada0d9b20a8826f58a0bfb7aee0bf0ae781098fb3

Aliases

arxiv: 1401.1542 · arxiv_version: 1401.1542v1 · doi: 10.48550/arxiv.1401.1542 · pith_short_12: 7ELJN6DL6G6E · pith_short_16: 7ELJN6DL6G6EXNIG · pith_short_8: 7ELJN6DL

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/7ELJN6DL6G6EXNIGXC5NUDM3EC \
  | 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: f91696f86bf1bc4bb506b8bada0d9b20a8826f58a0bfb7aee0bf0ae781098fb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc4466dffc2903003dfff50e87ee7571de74614de40366591922efdbeb25f0a8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-01-07T23:21:09Z",
    "title_canon_sha256": "b3d2facdb950542f8bc5d0907a2a8d95cf872560b09964396ece2ecd13f5c893"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.1542",
    "kind": "arxiv",
    "version": 1
  }
}