Pith Number

pith:XNY2JY5D

pith:2014:XNY2JY5DRY54I3IXK2RX442HYH

not attested not anchored not stored refs pending

Improved Reduced Models for Single-Pass and Reflective Semiconductor Optical Amplifiers

Liam P. Barry, Se\'an P. \'O D\'uill

arxiv:1407.5579 v1 · 2014-07-21 · 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{XNY2JY5DRY54I3IXK2RX442HYH}

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	2026-05-18T02:43:18.634870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb71a4e3a38e3bc46d1756a37e7347c1c86d4e5e4b55f998d54bd14bb468d407

Aliases

arxiv: 1407.5579 · arxiv_version: 1407.5579v1 · doi: 10.48550/arxiv.1407.5579 · pith_short_12: XNY2JY5DRY54 · pith_short_16: XNY2JY5DRY54I3IX · pith_short_8: XNY2JY5D

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/XNY2JY5DRY54I3IXK2RX442HYH \
  | 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: bb71a4e3a38e3bc46d1756a37e7347c1c86d4e5e4b55f998d54bd14bb468d407

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a05d3be2ebe3df078537341374f8db54e146f49d8a9b0c4d96433c3ef4b82849",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-07-21T17:33:51Z",
    "title_canon_sha256": "c2078044201869cd5ffec067245d3ffa78499af9c07e51c27f3d358176db81ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5579",
    "kind": "arxiv",
    "version": 1
  }
}