Pith Number

pith:IMOR3XMN

pith:2011:IMOR3XMNBXYSWS4FOPVI3AXEHY

not attested not anchored not stored refs pending

The physical basis of natural units and truly fundamental constants

Jong-Ping Hsu, Leonardo Hsu

arxiv:1112.6332 v1 · 2011-12-19 · physics.pop-ph · physics.ed-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{IMOR3XMNBXYSWS4FOPVI3AXEHY}

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	2026-05-18T02:57:53.944796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

431d1ddd8d0df12b4b8573ea8d82e43e0c1fa948b285976686573d2cebd384c2

Aliases

arxiv: 1112.6332 · arxiv_version: 1112.6332v1 · doi: 10.48550/arxiv.1112.6332 · pith_short_12: IMOR3XMNBXYS · pith_short_16: IMOR3XMNBXYSWS4F · pith_short_8: IMOR3XMN

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/IMOR3XMNBXYSWS4FOPVI3AXEHY \
  | 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: 431d1ddd8d0df12b4b8573ea8d82e43e0c1fa948b285976686573d2cebd384c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d716715e44ad3f6d8394b8f5a33ac009e29a881c039c5d1fd55c97223a3d1d55",
    "cross_cats_sorted": [
      "physics.ed-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2011-12-19T18:07:37Z",
    "title_canon_sha256": "16b49cb4a57b21fd41525b8fa84345b6bf8de4f91006100944aa1c5d1514a483"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.6332",
    "kind": "arxiv",
    "version": 1
  }
}