Pith Number

pith:FSPUKKYH

pith:2014:FSPUKKYHPBNZLXZMRI2BJGT6ER

not attested not anchored not stored refs pending

Dimensionless Units in the SI

Peter J. Mohr, William D. Phillips

arxiv:1409.2794 v1 · 2014-09-08 · physics.data-an · physics.class-ph · physics.hist-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{FSPUKKYHPBNZLXZMRI2BJGT6ER}

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	2026-05-18T02:02:15.765772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c9f452b07785b95df2c8a34149a7e246530ce424f9d245f89e0deb7fef6f8db

Aliases

arxiv: 1409.2794 · arxiv_version: 1409.2794v1 · doi: 10.48550/arxiv.1409.2794 · pith_short_12: FSPUKKYHPBNZ · pith_short_16: FSPUKKYHPBNZLXZM · pith_short_8: FSPUKKYH

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/FSPUKKYHPBNZLXZMRI2BJGT6ER \
  | 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: 2c9f452b07785b95df2c8a34149a7e246530ce424f9d245f89e0deb7fef6f8db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58b2bb315bdab67468394a8d63644707096ca505ced05f97022d83d70942eab1",
    "cross_cats_sorted": [
      "physics.class-ph",
      "physics.hist-ph"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2014-09-08T17:20:50Z",
    "title_canon_sha256": "e52a08f8596a14274294b79d4f8cfe8fec75a4b318ff6cda4389f453e1b3cb85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.2794",
    "kind": "arxiv",
    "version": 1
  }
}