Pith Number

pith:IRFDPI5H

pith:2022:IRFDPI5H2YBDGWPTEZYHA6XXLB

not attested not anchored not stored refs pending

Near-monochromatic tuneable cryogenic niobium electron field emitter

Alexander Stibor, Andreas K. Schmid, Andrew M. Minor, Cameron W. Johnson, D. Frank Ogletree, Ed K. Wong, Marian Mankos, Nicole Kerker, Robin R\"opke

arxiv:2205.05767 v2 · 2022-05-11 · physics.app-ph · 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{IRFDPI5H2YBDGWPTEZYHA6XXLB}

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	2026-07-05T05:26:41.500394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

444a37a3a7d6023359f32670707af7587bd252b5e76619132feed125e6baef49

Aliases

arxiv: 2205.05767 · arxiv_version: 2205.05767v2 · doi: 10.48550/arxiv.2205.05767 · pith_short_12: IRFDPI5H2YBD · pith_short_16: IRFDPI5H2YBDGWPT · pith_short_8: IRFDPI5H

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/IRFDPI5H2YBDGWPTEZYHA6XXLB \
  | 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: 444a37a3a7d6023359f32670707af7587bd252b5e76619132feed125e6baef49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e668d927e130f48ca3bec4f6f72da333aa93ad30beb9d3cfe0977c69d269cb8",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2022-05-11T20:46:21Z",
    "title_canon_sha256": "cf8f3da12ee244b137802febe30478512173aa41a8cf9f8082b503672cbabb07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.05767",
    "kind": "arxiv",
    "version": 2
  }
}