Pith Number

pith:AKQBFTGE

pith:2011:AKQBFTGEQ2H3T7BCIAEGTHMZFL

not attested not anchored not stored refs pending

Surface Acoustic Wave Frequency Comb

A. A. Savchenkov, A. B. Matsko, D. Seidel, L. Maleki, V. S. Ilchenko

arxiv:1106.1477 v1 · 2011-06-08 · 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{AKQBFTGEQ2H3T7BCIAEGTHMZFL}

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	2026-05-18T04:20:22.924359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02a012ccc4868fb9fc224008699d992ae37e962dfd2727d4efdc9f106e9c004d

Aliases

arxiv: 1106.1477 · arxiv_version: 1106.1477v1 · doi: 10.48550/arxiv.1106.1477 · pith_short_12: AKQBFTGEQ2H3 · pith_short_16: AKQBFTGEQ2H3T7BC · pith_short_8: AKQBFTGE

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/AKQBFTGEQ2H3T7BCIAEGTHMZFL \
  | 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: 02a012ccc4868fb9fc224008699d992ae37e962dfd2727d4efdc9f106e9c004d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b714ee301161c0684fbf5474119469dd4899a934a3f23e14242133ee6b41a9fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2011-06-08T00:47:23Z",
    "title_canon_sha256": "2d11e06b52678eab74fc88ed1a560599f339c368d948de84282534ccb5073946"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1477",
    "kind": "arxiv",
    "version": 1
  }
}