Pith Number

pith:HJRDGE23

pith:2019:HJRDGE234S3FZASXF4X2G7GAUV

not attested not anchored not stored refs pending

Ultrafast mid-infrared fiber laser mode-locked using frequency-shifted feedback

M. R. Majewski, R. I. Woodward, S. D. Jackson

arxiv:1903.12393 v1 · 2019-03-29 · 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{HJRDGE234S3FZASXF4X2G7GAUV}

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	2026-05-17T23:49:54.184685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a6233135be4b65c82572f2fa37cc0a54f75bb8842795edd8aa64d4d27977c3b

Aliases

arxiv: 1903.12393 · arxiv_version: 1903.12393v1 · doi: 10.48550/arxiv.1903.12393 · pith_short_12: HJRDGE234S3F · pith_short_16: HJRDGE234S3FZASX · pith_short_8: HJRDGE23

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/HJRDGE234S3FZASXF4X2G7GAUV \
  | 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: 3a6233135be4b65c82572f2fa37cc0a54f75bb8842795edd8aa64d4d27977c3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3540b405b109e1076187efe2294b9893cc6efbb3d6c3037c1676eeffa10b5040",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-03-29T08:37:09Z",
    "title_canon_sha256": "a25aecb1d83abd8fa24153ca422174a7f715edb8151250d79bf34b12d09a6a9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.12393",
    "kind": "arxiv",
    "version": 1
  }
}