Pith Number

pith:T2ET33SD

pith:2018:T2ET33SDFUB32UKKHDVFHLMMKQ

not attested not anchored not stored refs pending

Structure theory of naturally reductive spaces

Reinier Storm

arxiv:1810.02616 v1 · 2018-10-05 · 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{T2ET33SDFUB32UKKHDVFHLMMKQ}

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	2026-05-18T00:04:01.210338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e893dee432d03bd514a38ea53ad8c543341edf7129ef644f5647a3f5c34a0c5

Aliases

arxiv: 1810.02616 · arxiv_version: 1810.02616v1 · doi: 10.48550/arxiv.1810.02616 · pith_short_12: T2ET33SDFUB3 · pith_short_16: T2ET33SDFUB32UKK · pith_short_8: T2ET33SD

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/T2ET33SDFUB32UKKHDVFHLMMKQ \
  | 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: 9e893dee432d03bd514a38ea53ad8c543341edf7129ef644f5647a3f5c34a0c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eda5b93e308e6b3f4f32f015ac2fedadbb9872d4063ab33ca20f9cff18459e80",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-10-05T11:22:51Z",
    "title_canon_sha256": "46dfd0eacd56d3155e16c81d30dbbc364de64e052d8db9df69be7dd2308a8cdc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.02616",
    "kind": "arxiv",
    "version": 1
  }
}