Pith Number

pith:YHBMPAUA

pith:2011:YHBMPAUA5RECPPLKJTUB6HEWGO

not attested not anchored not stored refs pending

Spectrally narrow, long-term stable optical frequency reference based on a Eu$^{3+}$:Y$_{2}$SiO$_{5}$ crystal at cryogenic temperature

Alexander Nevsky, Andrei Troshyn, Ingo Ernsting, Qun-feng Chen, Sergey Vasilyev, Steffen Kayser, Stephan Schiller

arxiv:1107.3764 v3 · 2011-07-19 · physics.optics · physics.atom-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YHBMPAUA5RECPPLKJTUB6HEWGO}

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	2026-05-18T02:01:14.806966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1c2c78280ec4827bd6a4ce81f1c9633bb3575a401802e7fdb0c07d3a38ea58f

Aliases

arxiv: 1107.3764 · arxiv_version: 1107.3764v3 · doi: 10.48550/arxiv.1107.3764 · pith_short_12: YHBMPAUA5REC · pith_short_16: YHBMPAUA5RECPPLK · pith_short_8: YHBMPAUA

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/YHBMPAUA5RECPPLKJTUB6HEWGO \
  | 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: c1c2c78280ec4827bd6a4ce81f1c9633bb3575a401802e7fdb0c07d3a38ea58f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69a600daac7156f5f92a823ba03294e7ef0e0980889666b4a283a8c1a30d94bf",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2011-07-19T16:29:17Z",
    "title_canon_sha256": "e85050bfb827c1c003f56e0c3f0a7e6658aa0fa524710f0a0897b4a1092fedd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.3764",
    "kind": "arxiv",
    "version": 3
  }
}