Pith Number

pith:TPICAKRN

pith:2012:TPICAKRNIZML52PPABN5VJR6SX

not attested not anchored not stored refs pending

Optimization of gain in traveling-wave optical parametric amplifiers by tuning the offset between pump- and signal-waist locations

Amar Bhagwat, Chao-Hsiang Chen, Gideon Alon, Michael Vasilyev, Muthiah Annamalai, Oo-Kaw Lim, Prem Kumar

arxiv:1210.1599 v4 · 2012-10-04 · 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{TPICAKRNIZML52PPABN5VJR6SX}

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	2026-05-18T01:54:05.514225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bd0202a2d4658bee9ef005bdaa63e95e0eb784b97cde9f36127101c35ff62e8

Aliases

arxiv: 1210.1599 · arxiv_version: 1210.1599v4 · doi: 10.48550/arxiv.1210.1599 · pith_short_12: TPICAKRNIZML · pith_short_16: TPICAKRNIZML52PP · pith_short_8: TPICAKRN

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/TPICAKRNIZML52PPABN5VJR6SX \
  | 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: 9bd0202a2d4658bee9ef005bdaa63e95e0eb784b97cde9f36127101c35ff62e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e73fad54289243d3e1bfddf6365664b447d145d9e6fe2fcec3f9a19a2b374c5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-10-04T21:30:07Z",
    "title_canon_sha256": "cc9b490333ef77500afaa55014cd757988130a4e4d5e668aeea2b23e32016a86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.1599",
    "kind": "arxiv",
    "version": 4
  }
}