Pith Number

pith:4WVAA7FG

pith:2016:4WVAA7FGHLPII6UHP55END3QF3

not attested not anchored not stored refs pending

Compact, CO2-stabilized tuneable laser at 2.05 microns

(2) Niels Bohr Institute, (3) NKT Photonics A/S, Birker{\o}d, Copenhagen, Denmark, Denmark), Jan Hald (1) ((1) Danish Fundamental Metrology, Jan W. Thomsen (2), Jens K. Lyngs{\o} (3), Lyngby, Marco Triches (1), Martin R. Henriksen (2), Mattia Michieletto (3), Philip G. Westergaard (1)

arxiv:1603.00010 v1 · 2016-02-29 · physics.ins-det · 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{4WVAA7FGHLPII6UHP55END3QF3}

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	2026-05-18T01:19:49.338974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5aa007ca63ade847a877f7a468f702efe4d8f2c4a99c49b411962b330cd9eed

Aliases

arxiv: 1603.00010 · arxiv_version: 1603.00010v1 · doi: 10.48550/arxiv.1603.00010 · pith_short_12: 4WVAA7FGHLPI · pith_short_16: 4WVAA7FGHLPII6UH · pith_short_8: 4WVAA7FG

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/4WVAA7FGHLPII6UHP55END3QF3 \
  | 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: e5aa007ca63ade847a877f7a468f702efe4d8f2c4a99c49b411962b330cd9eed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42bf910bed51f877c31378d09d3593ea7c21c35ad104791a17e91e76f7aacdf0",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2016-02-29T08:47:27Z",
    "title_canon_sha256": "911bbdf729e0b64e0f087a52a0e61ea23a708184ab33cdd9c63694bd08c30af2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.00010",
    "kind": "arxiv",
    "version": 1
  }
}