Pith Number

pith:NZNIBFAQ

pith:2009:NZNIBFAQV7KZWSPBOB36PYNR7K

not attested not anchored not stored refs pending

Fast Characterization of Dispersion and Dispersion Slope of Optical Fiber Links using Spectral Interferometry with Frequency Combs

Andrew M. Weiner, Christopher M. Long, Daniel E. Leaird, V. R. Supradeepa

arxiv:0907.4171 v2 · 2009-07-23 · physics.optics · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NZNIBFAQV7KZWSPBOB36PYNR7K}

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	2026-05-18T02:34:38.449605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e5a809410afd59b49e17077e7e1b1fa856671b7831e0cdd99a6eb64f7225f9f

Aliases

arxiv: 0907.4171 · arxiv_version: 0907.4171v2 · doi: 10.48550/arxiv.0907.4171 · pith_short_12: NZNIBFAQV7KZ · pith_short_16: NZNIBFAQV7KZWSPB · pith_short_8: NZNIBFAQ

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/NZNIBFAQV7KZWSPBOB36PYNR7K \
  | 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: 6e5a809410afd59b49e17077e7e1b1fa856671b7831e0cdd99a6eb64f7225f9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3fc1df786df5c6003036379ad315a3442673dbe6d43d2bf5dc88b2b5bfe9c90",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2009-07-23T21:07:03Z",
    "title_canon_sha256": "f53b8da930a05274bbea519b5722abb65992ce959968ed78c74a7a5745904c21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.4171",
    "kind": "arxiv",
    "version": 2
  }
}