Pith Number

pith:TQYMJEZA

pith:2019:TQYMJEZAY4CPW23FIMPTAGF3I5

not attested not anchored not stored refs pending

Generation of sub-20-fs pulses from a graphene mode-locked laser

Alphan Sennaroglu, Coskun Kocabas, Ferda Canbaz, Nurbek Kakenov, Umit Demirbas

arxiv:1901.05069 v1 · 2019-01-15 · physics.optics · physics.app-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TQYMJEZAY4CPW23FIMPTAGF3I5}

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	2026-05-17T23:54:38.805636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c30c49320c704fb6b65431f3018bb4761a678ccc2140e52b4fe509b1b598fb5

Aliases

arxiv: 1901.05069 · arxiv_version: 1901.05069v1 · doi: 10.48550/arxiv.1901.05069 · pith_short_12: TQYMJEZAY4CP · pith_short_16: TQYMJEZAY4CPW23F · pith_short_8: TQYMJEZA

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/TQYMJEZAY4CPW23FIMPTAGF3I5 \
  | 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: 9c30c49320c704fb6b65431f3018bb4761a678ccc2140e52b4fe509b1b598fb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e17ac661f4e590679c4c58f8cf47d7f25301f1a6fa5b572bffa7bea1913e74f",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-01-15T22:04:01Z",
    "title_canon_sha256": "b6be898841dbebfb96d487346a43fcc8445bbe62444f5b6f5fa87280905d1d5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.05069",
    "kind": "arxiv",
    "version": 1
  }
}