Pith Number

pith:HKQHNMJ4

pith:2009:HKQHNMJ4KSXL25L2VQOIGVH4UU

not attested not anchored not stored refs pending

Phase locking of coupled lasers with many longitudinal modes

Asher A. Friesem, Eitan Ronen, Micha Nixon, Moti Fridman, Nir Davidson

arxiv:0912.3235 v1 · 2009-12-16 · 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{HKQHNMJ4KSXL25L2VQOIGVH4UU}

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	2026-05-18T02:10:16.312799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3aa076b13c54aebd757aac1c8354fca51d58be8bc903bbeb0aaa292c564fcfb2

Aliases

arxiv: 0912.3235 · arxiv_version: 0912.3235v1 · doi: 10.48550/arxiv.0912.3235 · pith_short_12: HKQHNMJ4KSXL · pith_short_16: HKQHNMJ4KSXL25L2 · pith_short_8: HKQHNMJ4

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/HKQHNMJ4KSXL25L2VQOIGVH4UU \
  | 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: 3aa076b13c54aebd757aac1c8354fca51d58be8bc903bbeb0aaa292c564fcfb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "783a37a588d1eb81cb609e0ae7d254e525aefc1a2deaebc62d2c7cc538155ad4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2009-12-16T19:24:43Z",
    "title_canon_sha256": "184aece298a904606b97d9823defd0173c9aa0815c426261d52def59333d4649"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3235",
    "kind": "arxiv",
    "version": 1
  }
}