Pith Number

pith:ENL77MEA

pith:2019:ENL77MEAZ5XNW2RUHYSA3ANT34

not attested not anchored not stored refs pending

Hyperbolic links are not generic

Andrei V. Malyutin

arxiv:1907.04458 v1 · 2019-07-09 · 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{ENL77MEAZ5XNW2RUHYSA3ANT34}

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.

Cited by

1 paper in Pith

On Isotopies and hyperbolicity of weaves

Receipt and verification

First computed	2026-05-17T23:41:00.258796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2357ffb080cf6edb6a343e240d81b3df24c54a3e8703be46484bd788ee7ed9f4

Aliases

arxiv: 1907.04458 · arxiv_version: 1907.04458v1 · doi: 10.48550/arxiv.1907.04458 · pith_short_12: ENL77MEAZ5XN · pith_short_16: ENL77MEAZ5XNW2RU · pith_short_8: ENL77MEA

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/ENL77MEAZ5XNW2RUHYSA3ANT34 \
  | 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: 2357ffb080cf6edb6a343e240d81b3df24c54a3e8703be46484bd788ee7ed9f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eeec51e35969c0289810fa38ac40d07fa4973937137f5d38eced809e9f8d9e08",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2019-07-09T23:22:46Z",
    "title_canon_sha256": "de0b976af5728744a5dc490950435a62ccab20e46757ef5fdce04f0bb79f8826"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04458",
    "kind": "arxiv",
    "version": 1
  }
}