Pith Number

pith:FD75XRGJ

pith:2013:FD75XRGJC6LAW337KUHDEN634N

not attested not anchored not stored refs pending

Mathematical structure of unit systems

Masao Kitano

arxiv:1305.1291 v1 · 2013-05-04 · physics.gen-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{FD75XRGJC6LAW337KUHDEN634N}

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	2026-05-18T01:18:28.415670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28ffdbc4c917960b6f7f550e3237dbe3721120c25df396b3728d606a80f50c94

Aliases

arxiv: 1305.1291 · arxiv_version: 1305.1291v1 · doi: 10.48550/arxiv.1305.1291 · pith_short_12: FD75XRGJC6LA · pith_short_16: FD75XRGJC6LAW337 · pith_short_8: FD75XRGJ

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/FD75XRGJC6LAW337KUHDEN634N \
  | 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: 28ffdbc4c917960b6f7f550e3237dbe3721120c25df396b3728d606a80f50c94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddbe500dd9298e3f82e29fbd7ac687f5a08af1ff9cbc570a8d9fdb49a7015df5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2013-05-04T06:30:04Z",
    "title_canon_sha256": "f9905ebf6369bc400b50a5d7dee182e90fbd2bf7226dbab365beb83b8c58b7c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1291",
    "kind": "arxiv",
    "version": 1
  }
}