Pith Number

pith:3XV2ISGM

pith:2010:3XV2ISGMTOZXBGJOKG7MJESXT6

not attested not anchored not stored refs pending

Principal modes in fiber amplifiers

Asher A. Friesem, Mark Dubinskii, Micha Nixon, Moti Fridman, Nir Davidson

arxiv:1012.1542 v1 · 2010-12-07 · 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{3XV2ISGMTOZXBGJOKG7MJESXT6}

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	2026-05-18T02:04:32.067148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddeba448cc9bb370992e51bec492579fb2eaefd40680664a41cf2965e1fe9ca8

Aliases

arxiv: 1012.1542 · arxiv_version: 1012.1542v1 · doi: 10.48550/arxiv.1012.1542 · pith_short_12: 3XV2ISGMTOZX · pith_short_16: 3XV2ISGMTOZXBGJO · pith_short_8: 3XV2ISGM

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/3XV2ISGMTOZXBGJOKG7MJESXT6 \
  | 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: ddeba448cc9bb370992e51bec492579fb2eaefd40680664a41cf2965e1fe9ca8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29a5d33692274c09a0bc7f0df9ff318ab71f131382b7827ec43ae69bb2aa6f73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2010-12-07T16:00:33Z",
    "title_canon_sha256": "041926ea855a2473c950d3a29633e13d8b5a02605fb9004365777ef39e2ef5b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.1542",
    "kind": "arxiv",
    "version": 1
  }
}