Pith Number

pith:7JIRZYIK

pith:2015:7JIRZYIKJBPOBZAGU5KTOB4I2G

not attested not anchored not stored refs pending

Robust split-step Fourier methods for simulating the propagation of ultra-short pulses in single- and two-mode optical communication fibers

Ralf Deiterding, Stephen W. Poole

arxiv:1504.01331 v1 · 2015-04-06 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7JIRZYIKJBPOBZAGU5KTOB4I2G}

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	2026-05-18T02:19:34.622161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa511ce10a485ee0e406a755370788d18a6b0daa2cebd8eeef4e063fe0590b86

Aliases

arxiv: 1504.01331 · arxiv_version: 1504.01331v1 · doi: 10.48550/arxiv.1504.01331 · pith_short_12: 7JIRZYIKJBPO · pith_short_16: 7JIRZYIKJBPOBZAG · pith_short_8: 7JIRZYIK

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/7JIRZYIKJBPOBZAGU5KTOB4I2G \
  | 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: fa511ce10a485ee0e406a755370788d18a6b0daa2cebd8eeef4e063fe0590b86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38d2c1f5533252ea055bb1ec1d62d0e16cf8e08a0f72e377f9837376c3ba6a29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-04-06T17:31:13Z",
    "title_canon_sha256": "9dadecd163516220ea78595f2e0d730e28acd11715fe926a6893dd2ea4fa26a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01331",
    "kind": "arxiv",
    "version": 1
  }
}