Pith Number

pith:CS4ENGYW

pith:2018:CS4ENGYWWK2CUXPD3HJO6ROQWP

not attested not anchored not stored refs pending

Challenges to miniaturizing cold atom technology for deployable vacuum metrology

Daniel S. Barker, Eric Norrgard, James A. Fedchak, Julia Scherschligt, Nikolai N. Klimov, Stephen Eckel

arxiv:1809.05378 v1 · 2018-09-14 · physics.atom-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{CS4ENGYWWK2CUXPD3HJO6ROQWP}

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	2026-05-18T00:05:41.633734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14b8469b16b2b42a5de3d9d2ef45d0b3e23df219f96ecabda51bbb8d7e8dae9b

Aliases

arxiv: 1809.05378 · arxiv_version: 1809.05378v1 · doi: 10.48550/arxiv.1809.05378 · pith_short_12: CS4ENGYWWK2C · pith_short_16: CS4ENGYWWK2CUXPD · pith_short_8: CS4ENGYW

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/CS4ENGYWWK2CUXPD3HJO6ROQWP \
  | 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: 14b8469b16b2b42a5de3d9d2ef45d0b3e23df219f96ecabda51bbb8d7e8dae9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ac6d04749eaadadadc1f6b0458001b084d04c935e4d4c292fde06387786c3eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2018-09-14T12:51:18Z",
    "title_canon_sha256": "da7acdad328ac431f61fe31ff879947f8feadf24f6837b156952e2396d6edc4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.05378",
    "kind": "arxiv",
    "version": 1
  }
}