Pith Number

pith:6A77562J

pith:2018:6A77562JPGCNZX46ORP7JQ6DTR

not attested not anchored not stored refs pending

Restriction on Dirac's Conjecture

Takayuki Hori

arxiv:1812.08899 v2 · 2018-12-21 · math-ph · hep-th · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6A77562JPGCNZX46ORP7JQ6DTR}

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	2026-05-17T23:56:27.404637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f03ffefb497984dcdf9e745ff4c3c39c53f246afebc34ccc50bdac9b19f1f6a5

Aliases

arxiv: 1812.08899 · arxiv_version: 1812.08899v2 · doi: 10.48550/arxiv.1812.08899 · pith_short_12: 6A77562JPGCN · pith_short_16: 6A77562JPGCNZX46 · pith_short_8: 6A77562J

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/6A77562JPGCNZX46ORP7JQ6DTR \
  | 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: f03ffefb497984dcdf9e745ff4c3c39c53f246afebc34ccc50bdac9b19f1f6a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d9f0a6ebc2d69799843495cc18aaa59648f139f3ea0e4928abba28753e7c897",
    "cross_cats_sorted": [
      "hep-th",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2018-12-21T00:20:58Z",
    "title_canon_sha256": "ff2df5ec3f0006e96e59a17b8e1cbe6ae07c494fe4c1228ba5e1d4bafdd0df20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08899",
    "kind": "arxiv",
    "version": 2
  }
}