Pith Number

pith:QLV2MDOZ

pith:2012:QLV2MDOZ7O2B5F5RZ5CP6NMAG5

not attested not anchored not stored refs pending

High-power, hybrid Er:fiber/Tm:fiber frequency comb source in the 2 {\mu}m wavelength region

Florian Adler, Scott A. Diddams

arxiv:1202.0072 v1 · 2012-02-01 · 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{QLV2MDOZ7O2B5F5RZ5CP6NMAG5}

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	2026-05-18T03:57:13.977085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82eba60dd9fbb41e97b1cf44ff3580375a295c9291005d2f314c3966c45000ce

Aliases

arxiv: 1202.0072 · arxiv_version: 1202.0072v1 · doi: 10.48550/arxiv.1202.0072 · pith_short_12: QLV2MDOZ7O2B · pith_short_16: QLV2MDOZ7O2B5F5R · pith_short_8: QLV2MDOZ

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/QLV2MDOZ7O2B5F5RZ5CP6NMAG5 \
  | 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: 82eba60dd9fbb41e97b1cf44ff3580375a295c9291005d2f314c3966c45000ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3113bc63da3460f9e551c3315b1e21c06370391879c46ff6d9b27649f35f7df8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-02-01T01:18:48Z",
    "title_canon_sha256": "3d91877438853f373697c694be07c681919fa4cac92435f9e5dc4e5a4d27cb14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0072",
    "kind": "arxiv",
    "version": 1
  }
}