Pith Number

pith:WAD4TBV3

pith:2015:WAD4TBV3WDBLFKH3BPKFWD4TDG

not attested not anchored not stored refs pending

An ion trap built with photonic crystal fibre technology

B. Keitch, D. Bykov, D. Kienzler, F. Lindenfelser, J. P. Home, M. A. Schmidt, P. St.J. Russell, P. Uebel

arxiv:1501.03727 v3 · 2015-01-15 · physics.atom-ph · physics.optics · quant-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{WAD4TBV3WDBLFKH3BPKFWD4TDG}

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	2026-05-18T01:32:00.997432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b007c986bbb0c2b2a8fb0bd45b0f9319b57c050810f1b37402a02136dee89f7e

Aliases

arxiv: 1501.03727 · arxiv_version: 1501.03727v3 · doi: 10.48550/arxiv.1501.03727 · pith_short_12: WAD4TBV3WDBL · pith_short_16: WAD4TBV3WDBLFKH3 · pith_short_8: WAD4TBV3

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/WAD4TBV3WDBLFKH3BPKFWD4TDG \
  | 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: b007c986bbb0c2b2a8fb0bd45b0f9319b57c050810f1b37402a02136dee89f7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22942108ece11ddb7190facd54fafcdf7c907596edf47207f6903d82aac9a0da",
    "cross_cats_sorted": [
      "physics.optics",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2015-01-15T16:05:32Z",
    "title_canon_sha256": "d285064f4bde90dd11ad2bf55a248e64060ad9e808abc74a5236075dacdd65f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.03727",
    "kind": "arxiv",
    "version": 3
  }
}