Pith Number

pith:RVEFY3UU

pith:2019:RVEFY3UUSSEQQ57PRAV2HGBYJ4

not attested not anchored not stored refs pending

Comment on "Retrieval of phase relation and emission profile of quantum cascade laser frequency combs''

G\"unter Steinmeyer

arxiv:1905.04980 v1 · 2019-05-13 · 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{RVEFY3UUSSEQQ57PRAV2HGBYJ4}

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	2026-05-17T23:46:22.935410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d485c6e9494890877ef882ba398384f389e0a8843f4a8a701b7d89c7cdb883d

Aliases

arxiv: 1905.04980 · arxiv_version: 1905.04980v1 · doi: 10.48550/arxiv.1905.04980 · pith_short_12: RVEFY3UUSSEQ · pith_short_16: RVEFY3UUSSEQQ57P · pith_short_8: RVEFY3UU

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/RVEFY3UUSSEQQ57PRAV2HGBYJ4 \
  | 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: 8d485c6e9494890877ef882ba398384f389e0a8843f4a8a701b7d89c7cdb883d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b53239b0584248016a92a3c9e931ac063a285322b3379529ee37202e519e0bf1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-05-13T11:33:39Z",
    "title_canon_sha256": "ac466c585aebef158db165cf67369a2871f87551404390afed0a3ae258b914db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.04980",
    "kind": "arxiv",
    "version": 1
  }
}