Pith Number

pith:VSQ7WTPN

pith:2015:VSQ7WTPNJJNIYVEMICHOFWUVSG

not attested not anchored not stored refs pending

Developing high energy mode-locked fiber laser at 2 micron

C. Huang, C. Wang, J. Xu, W. Shang, Y. Tang

arxiv:1504.01816 v1 · 2015-04-08 · 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{VSQ7WTPNJJNIYVEMICHOFWUVSG}

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	2026-05-18T02:19:18.211614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aca1fb4ded4a5a8c548c408ee2da959198b102474757244dbaa187cbfd288aca

Aliases

arxiv: 1504.01816 · arxiv_version: 1504.01816v1 · doi: 10.48550/arxiv.1504.01816 · pith_short_12: VSQ7WTPNJJNI · pith_short_16: VSQ7WTPNJJNIYVEM · pith_short_8: VSQ7WTPN

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/VSQ7WTPNJJNIYVEMICHOFWUVSG \
  | 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: aca1fb4ded4a5a8c548c408ee2da959198b102474757244dbaa187cbfd288aca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55b1adac09ff3dea08731899b8726fcc9cc7cb243e0d8f833cece0ebebfcab9c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-04-08T03:12:28Z",
    "title_canon_sha256": "dae4ca5579e92661cf99b6e7bc204c18540a71168b72e123d2ceae5679135463"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01816",
    "kind": "arxiv",
    "version": 1
  }
}