Pith Number

pith:OK4DIQKW

pith:2014:OK4DIQKWYE7LY7FDDEXLGUWFQJ

not attested not anchored not stored refs pending

Measurement of Vacuum Pressure with a Magneto-Optical Trap: a Pressure-Rise Method

Donatella Cassettari, Elizabeth A. Findlay, Graham D. Bruce, Lara Torralbo-Campo, Lucie A. Lee, Rowan W. G. Moore

arxiv:1401.7949 v2 · 2014-01-30 · physics.atom-ph · cond-mat.quant-gas · physics.ins-det

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OK4DIQKWYE7LY7FDDEXLGUWFQJ}

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	2026-05-18T01:30:25.971521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72b8344156c13ebc7ca3192eb352c58242ce9d0a6649621c4291a51b3197ce98

Aliases

arxiv: 1401.7949 · arxiv_version: 1401.7949v2 · doi: 10.48550/arxiv.1401.7949 · pith_short_12: OK4DIQKWYE7L · pith_short_16: OK4DIQKWYE7LY7FD · pith_short_8: OK4DIQKW

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/OK4DIQKWYE7LY7FDDEXLGUWFQJ \
  | 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: 72b8344156c13ebc7ca3192eb352c58242ce9d0a6649621c4291a51b3197ce98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72bdf588708e492b06e49880d39ab1a1b4cdf038d06adb8238f8fec39dfe440a",
    "cross_cats_sorted": [
      "cond-mat.quant-gas",
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2014-01-30T18:33:35Z",
    "title_canon_sha256": "60ab9755763778a7d488ab79115043ff098942ea95f42b5545e49c2a15cf8a62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7949",
    "kind": "arxiv",
    "version": 2
  }
}