Pith Number

pith:SQYU7VQ5

pith:2017:SQYU7VQ5CKZQZWDWA477GF76L6

not attested not anchored not stored refs pending

On hyperballeans of bounded geometry

Igor Protasov, Ksenia Protasova

arxiv:1702.07941 v1 · 2017-02-25 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SQYU7VQ5CKZQZWDWA477GF76L6}

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	2026-05-18T00:49:56.629885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94314fd61d12b30cd876073ff317fe5f87465aba87fe6aa3660e26666ee1e5f2

Aliases

arxiv: 1702.07941 · arxiv_version: 1702.07941v1 · doi: 10.48550/arxiv.1702.07941 · pith_short_12: SQYU7VQ5CKZQ · pith_short_16: SQYU7VQ5CKZQZWDW · pith_short_8: SQYU7VQ5

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/SQYU7VQ5CKZQZWDWA477GF76L6 \
  | 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: 94314fd61d12b30cd876073ff317fe5f87465aba87fe6aa3660e26666ee1e5f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "654fa0db1e8bf57b71dadaddc5720affa0f06f4b905e271e0ba6b19e2f89a80f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2017-02-25T19:59:12Z",
    "title_canon_sha256": "dde89cf3465fd89e0b0e09e3dfcdd2555364bebc2357819f259adfffc8e55066"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07941",
    "kind": "arxiv",
    "version": 1
  }
}