Pith Number

pith:N67T7M7R

pith:2013:N67T7M7R2Q5IKWAEXBC2G5ZFUN

not attested not anchored not stored refs pending

Model spaces: a survey

Stephan Ramon Garcia, William T. Ross

arxiv:1312.5018 v1 · 2013-12-18 · math.CV · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N67T7M7R2Q5IKWAEXBC2G5ZFUN}

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	2026-05-18T03:04:16.549230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fbf3fb3f1d43a855804b845a37725a348dc0134b26e2277dcf047202f0d601f

Aliases

arxiv: 1312.5018 · arxiv_version: 1312.5018v1 · doi: 10.48550/arxiv.1312.5018 · pith_short_12: N67T7M7R2Q5I · pith_short_16: N67T7M7R2Q5IKWAE · pith_short_8: N67T7M7R

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/N67T7M7R2Q5IKWAEXBC2G5ZFUN \
  | 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: 6fbf3fb3f1d43a855804b845a37725a348dc0134b26e2277dcf047202f0d601f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea5f22dd3b360aaf0778ff85ddf0d866860fbfd4362048caef7eb09364664a97",
    "cross_cats_sorted": [
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2013-12-18T01:55:57Z",
    "title_canon_sha256": "087e52427704bf3cfb950d2ce88913b1c6f7d91012d1eb231dcaa34ab91d738b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.5018",
    "kind": "arxiv",
    "version": 1
  }
}