Pith Number

pith:DF3FN64U

pith:2013:DF3FN64UQ73VMF7WVRPC6FFGMF

not attested not anchored not stored refs pending

Optically induced mode conversion in graded-index fibers using ultra-short laser pulses

Carsten Fallnich, Till Walbaum, Tim Hellwig

arxiv:1307.4268 v2 · 2013-07-16 · 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{DF3FN64UQ73VMF7WVRPC6FFGMF}

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	2026-05-18T02:32:46.473994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

197656fb9487f75617f6ac5e2f14a66143c6ea04d85424ea99e5b5881c41a9e8

Aliases

arxiv: 1307.4268 · arxiv_version: 1307.4268v2 · doi: 10.48550/arxiv.1307.4268 · pith_short_12: DF3FN64UQ73V · pith_short_16: DF3FN64UQ73VMF7W · pith_short_8: DF3FN64U

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/DF3FN64UQ73VMF7WVRPC6FFGMF \
  | 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: 197656fb9487f75617f6ac5e2f14a66143c6ea04d85424ea99e5b5881c41a9e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8688932e6e342e0872d253c6574400130ad34b0ce9a09e4385962696b4773e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-07-16T13:26:33Z",
    "title_canon_sha256": "53dff86e93469cae86b2cdb72740e31dd9fb74b8e866e09d4665d98777e7d601"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4268",
    "kind": "arxiv",
    "version": 2
  }
}