Pith Number

pith:C7ILAZTY

pith:2011:C7ILAZTYEEOKCZ2NTGQSBSSF3C

not attested not anchored not stored refs pending

Comments on redefinition of SI units based on fundamental physical constants with fixed values

V. V. Khruschov

arxiv:1102.4831 v1 · 2011-02-22 · physics.atom-ph · cond-mat.other · physics.chem-ph · physics.class-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{C7ILAZTYEEOKCZ2NTGQSBSSF3C}

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	2026-05-18T04:28:07.262181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17d0b06678211ca1674d99a120ca45d89bf6d040caec49c612c28f74319110b8

Aliases

arxiv: 1102.4831 · arxiv_version: 1102.4831v1 · doi: 10.48550/arxiv.1102.4831 · pith_short_12: C7ILAZTYEEOK · pith_short_16: C7ILAZTYEEOKCZ2N · pith_short_8: C7ILAZTY

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/C7ILAZTYEEOKCZ2NTGQSBSSF3C \
  | 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: 17d0b06678211ca1674d99a120ca45d89bf6d040caec49c612c28f74319110b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1004fb10c65c1767657aa5a1172e101d50c8a4c30e22e3306cb802c9f3926e4",
    "cross_cats_sorted": [
      "cond-mat.other",
      "physics.chem-ph",
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2011-02-22T09:41:25Z",
    "title_canon_sha256": "ef9aea79f3a9ccb1cf06a3d6e224a35b69dea3440b7b9d31fb3e3df083600e8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4831",
    "kind": "arxiv",
    "version": 1
  }
}