Pith Number

pith:D4MEI6E2

pith:2016:D4MEI6E2ZT6Z2QGHE7BTTDIBIC

not attested not anchored not stored refs pending

Constant distortion embeddings of Symmetric Diversities

David Bryant, Paul F. Tupper

arxiv:1604.01863 v2 · 2016-04-07 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D4MEI6E2ZT6Z2QGHE7BTTDIBIC}

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	2026-05-18T00:59:48.975348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f1844789accfd9d40c727c3398d0140b4afb4bcec860d5d11d87f2de4471c67

Aliases

arxiv: 1604.01863 · arxiv_version: 1604.01863v2 · doi: 10.48550/arxiv.1604.01863 · pith_short_12: D4MEI6E2ZT6Z · pith_short_16: D4MEI6E2ZT6Z2QGH · pith_short_8: D4MEI6E2

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/D4MEI6E2ZT6Z2QGHE7BTTDIBIC \
  | 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: 1f1844789accfd9d40c727c3398d0140b4afb4bcec860d5d11d87f2de4471c67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d817caf35fcc45e8693f9b592d8808c5bc16cd28e75450c02e1dd8e1d7dcb68b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2016-04-07T03:47:54Z",
    "title_canon_sha256": "a4840f3338e55a88831b90c8a80bc52acc132a0fa5ac165f9af87fb98765cc42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.01863",
    "kind": "arxiv",
    "version": 2
  }
}