Pith Number

pith:O7LYDNEI

pith:2018:O7LYDNEIZKOAHLEXENP4FCA7R2

not attested not anchored not stored refs pending

Distance difference representations of Riemannian manifolds

Sergei Ivanov

arxiv:1806.05257 v2 · 2018-06-13 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O7LYDNEIZKOAHLEXENP4FCA7R2}

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	2026-05-17T23:51:05.745657Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77d781b488ca9c03ac97235fc2881f8e93e8e46b3b6addcdecf3a23d0c646852

Aliases

arxiv: 1806.05257 · arxiv_version: 1806.05257v2 · doi: 10.48550/arxiv.1806.05257 · pith_short_12: O7LYDNEIZKOA · pith_short_16: O7LYDNEIZKOAHLEX · pith_short_8: O7LYDNEI

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/O7LYDNEIZKOAHLEXENP4FCA7R2 \
  | 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: 77d781b488ca9c03ac97235fc2881f8e93e8e46b3b6addcdecf3a23d0c646852

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0831aca26795335779cb3a3f3d290d96c0fe42d679fa1707c27ae08910b26b06",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-06-13T20:28:32Z",
    "title_canon_sha256": "da16c79f7f2c8275311ab2dbc11a5726a554caaf9c21047af09049c007616e16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.05257",
    "kind": "arxiv",
    "version": 2
  }
}