Pith Number

pith:OXYABYGD

pith:2013:OXYABYGDHUZ7NN6YG42DHHUPUU

not attested not anchored not stored refs pending

Rigidity of extremal quasiregularly elliptic manifolds

Pekka Pankka, Rami Luisto

arxiv:1307.7940 v2 · 2013-07-30 · math.MG · math.CV · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OXYABYGDHUZ7NN6YG42DHHUPUU}

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	2026-05-18T02:33:07.831205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75f000e0c33d33f6b7d83734339e8fa50a2a7db04a2e7bfefc41906d52d7b0cd

Aliases

arxiv: 1307.7940 · arxiv_version: 1307.7940v2 · doi: 10.48550/arxiv.1307.7940 · pith_short_12: OXYABYGDHUZ7 · pith_short_16: OXYABYGDHUZ7NN6Y · pith_short_8: OXYABYGD

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/OXYABYGDHUZ7NN6YG42DHHUPUU \
  | 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: 75f000e0c33d33f6b7d83734339e8fa50a2a7db04a2e7bfefc41906d52d7b0cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3e352f7800071f275200514936f6fb679980bb00fde8d2603953a465c5f10de",
    "cross_cats_sorted": [
      "math.CV",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2013-07-30T12:27:40Z",
    "title_canon_sha256": "89483881c64b7d10c43779494252e522774bef9305ee8610695b9552c99d1827"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7940",
    "kind": "arxiv",
    "version": 2
  }
}