Pith Number

pith:VKGID7E2

pith:2012:VKGID7E2CCKOZWOZL5DCWIIK7B

not attested not anchored not stored refs pending

Compact RF resonator for cryogenic ion traps

D. Gandolfi, M. Brownnutt, M. Kumph, M. Niedermayr, R. Blatt

arxiv:1204.5004 v2 · 2012-04-23 · physics.atom-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{VKGID7E2CCKOZWOZL5DCWIIK7B}

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	2026-05-18T02:42:13.333219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa8c81fc9a1094ecd9d95f462b210af855f4e28e93009537903483bf1ea01a1a

Aliases

arxiv: 1204.5004 · arxiv_version: 1204.5004v2 · doi: 10.48550/arxiv.1204.5004 · pith_short_12: VKGID7E2CCKO · pith_short_16: VKGID7E2CCKOZWOZ · pith_short_8: VKGID7E2

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/VKGID7E2CCKOZWOZL5DCWIIK7B \
  | 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: aa8c81fc9a1094ecd9d95f462b210af855f4e28e93009537903483bf1ea01a1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d8b95de47f2a7c59629b729f23eb62fb72feba8301e71928897d20c1a878fbd",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2012-04-23T08:57:01Z",
    "title_canon_sha256": "fcf77def2c7f21c092de8a03acfbb3fa32121ef8c54144d5e7cf673de70a7d65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5004",
    "kind": "arxiv",
    "version": 2
  }
}