Pith Number

pith:HG4T3N5U

pith:2003:HG4T3N5UD4AULEQ6CRG4DAYPS7

not attested not anchored not stored refs pending

Multi-mode photonic crystal fibers for VCSEL based data transmission

A. Petersson, H.R. Simonsen, J. Broeng, M. Stach, N.A. Mortensen, R. Michalzik

arxiv:physics/0308087 v1 · 2003-08-25 · 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{HG4T3N5UD4AULEQ6CRG4DAYPS7}

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	2026-05-18T01:38:08.737558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39b93db7b41f0145921e144dc1830f97d4340982a4a3536a84ecbfc3fd2b3bcd

Aliases

arxiv: physics/0308087 · arxiv_version: physics/0308087v1 · doi: 10.48550/arxiv.physics/0308087 · pith_short_12: HG4T3N5UD4AU · pith_short_16: HG4T3N5UD4AULEQ6 · pith_short_8: HG4T3N5U

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/HG4T3N5UD4AULEQ6CRG4DAYPS7 \
  | 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: 39b93db7b41f0145921e144dc1830f97d4340982a4a3536a84ecbfc3fd2b3bcd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02d3907c38a0b168e3cbd895b45cbe342e9832a0e0626fb513197225b3584692",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.optics",
    "submitted_at": "2003-08-25T10:00:27Z",
    "title_canon_sha256": "f4f30b0dd63161b8596e395ac3b5ca3b4cd517b1b887f3919e2395e63f6459fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0308087",
    "kind": "arxiv",
    "version": 1
  }
}