Pith Number

pith:53IT2PTG

pith:2009:53IT2PTGJFVIUJVT2O5PM3UHEE

not attested not anchored not stored refs pending

Direct Observation of the Class-B to Class-A Transition in the Dynamical Behavior of a Semiconductor Laser

Daniel Dolfi (Thales R&T), Fabien Bretenaker (LAC), Ghaya Baili (Thales R&T), Isabelle Sagnes (LPN), Mehdi Alouini (IPR & Thales R&T), Thierry Malherbe (Thales R&T)

arxiv:0903.2827 v1 · 2009-03-16 · 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{53IT2PTGJFVIUJVT2O5PM3UHEE}

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	2026-05-18T02:14:27.944089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eed13d3e66496a8a26b3d3baf66e8721302ec23a9341333ceeacdd95487e841b

Aliases

arxiv: 0903.2827 · arxiv_version: 0903.2827v1 · doi: 10.48550/arxiv.0903.2827 · pith_short_12: 53IT2PTGJFVI · pith_short_16: 53IT2PTGJFVIUJVT · pith_short_8: 53IT2PTG

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/53IT2PTGJFVIUJVT2O5PM3UHEE \
  | 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: eed13d3e66496a8a26b3d3baf66e8721302ec23a9341333ceeacdd95487e841b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b490461fa8783ed77705f688db04833080845f406e96a65866f46bf247d5ee6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2009-03-16T18:28:25Z",
    "title_canon_sha256": "1b857d3648c0a7b34dfbb1e30fee3011ae3032cb8bbec23dd1dbe8305778cd23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.2827",
    "kind": "arxiv",
    "version": 1
  }
}