Pith Number

pith:KMS4BDH4

pith:2011:KMS4BDH4XH7W5RYFZVG3T5G2ZU

not attested not anchored not stored refs pending

Rigidity for Odd-Dimensional Souls

Kristopher Tapp

arxiv:1109.5150 v1 · 2011-09-23 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KMS4BDH4XH7W5RYFZVG3T5G2ZU}

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	2026-05-18T02:38:18.045241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5325c08cfcb9ff6ec705cd4db9f4dacd0b5c42bca7bf316908f3e0da8ef75547

Aliases

arxiv: 1109.5150 · arxiv_version: 1109.5150v1 · doi: 10.48550/arxiv.1109.5150 · pith_short_12: KMS4BDH4XH7W · pith_short_16: KMS4BDH4XH7W5RYF · pith_short_8: KMS4BDH4

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/KMS4BDH4XH7W5RYFZVG3T5G2ZU \
  | 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: 5325c08cfcb9ff6ec705cd4db9f4dacd0b5c42bca7bf316908f3e0da8ef75547

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e68253f07f61e6a1ffae136068412d16aa88216823c549b4e6cfb3ceb643c1cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-09-23T18:23:32Z",
    "title_canon_sha256": "d5c10ac1f95220f99920e93732f1900f3c4e0cbf1525c430475c6bd3716fcbfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5150",
    "kind": "arxiv",
    "version": 1
  }
}