Pith Number

pith:C6E22JEJ

pith:2018:C6E22JEJNKDTNM33H52PZTRCAR

not attested not anchored not stored refs pending

Development of a new UHV/XHV pressure standard (cold atom vacuum standard)

Constantinos Makrides, Daniel S Barker, Eite Tiesinga, James A Fedchak, Julia Scherschligt, Nikolai Klimov, Stephen Eckel

arxiv:1801.10120 v1 · 2018-01-30 · physics.app-ph · 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{C6E22JEJNKDTNM33H52PZTRCAR}

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	2026-05-18T00:24:45.842439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1789ad24896a8736b37b3f74fcce2204719002593c92b27d20fe750694d31992

Aliases

arxiv: 1801.10120 · arxiv_version: 1801.10120v1 · doi: 10.48550/arxiv.1801.10120 · pith_short_12: C6E22JEJNKDT · pith_short_16: C6E22JEJNKDTNM33 · pith_short_8: C6E22JEJ

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/C6E22JEJNKDTNM33H52PZTRCAR \
  | 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: 1789ad24896a8736b37b3f74fcce2204719002593c92b27d20fe750694d31992

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d55fbc78386c91a57220fcb435c8ce108e3a272153839939263580b41a34271",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2018-01-30T18:12:09Z",
    "title_canon_sha256": "fedb94154f75969071842c7b7486f996fe56f41879ba05217f28c158f61d9766"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.10120",
    "kind": "arxiv",
    "version": 1
  }
}