Pith Number

pith:6SMTM6QL

pith:2013:6SMTM6QLPKFJHGXFPEIMVPLRU4

not attested not anchored not stored refs pending

A simple, reliable, and no-destructive method for the measurement of vacuum pressure

Jinpeng Yuan, Liantuan Xiao, Suotang Jia, Xuefang Chang, Yanting Zhao, Zhonghua Ji

arxiv:1304.7064 v1 · 2013-04-26 · 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{6SMTM6QLPKFJHGXFPEIMVPLRU4}

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	2026-05-18T02:57:26.939791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f499367a0b7a8a939ae57910cabd71a729cb0a5a481c556b31b9a6568a867871

Aliases

arxiv: 1304.7064 · arxiv_version: 1304.7064v1 · doi: 10.48550/arxiv.1304.7064 · pith_short_12: 6SMTM6QLPKFJ · pith_short_16: 6SMTM6QLPKFJHGXF · pith_short_8: 6SMTM6QL

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/6SMTM6QLPKFJHGXFPEIMVPLRU4 \
  | 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: f499367a0b7a8a939ae57910cabd71a729cb0a5a481c556b31b9a6568a867871

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b15c125c7e13fb3692f71e6784e9b9f23da192f60be49842b5a6339bc65d273",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2013-04-26T04:25:28Z",
    "title_canon_sha256": "959e5934b418cd9c3f04fddfa48810dfb71e22275c181f2d9c21715d672645b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7064",
    "kind": "arxiv",
    "version": 1
  }
}