Pith Number

pith:BLJLN3OH

pith:2019:BLJLN3OHJC2VVJQ2S7C62MVQ6R

not attested not anchored not stored refs pending

SRA-free condition by Zolotov for self-contracted curves and nondegeneracy of zz-distance for M\"obius structures on the circle

Sergei Buyalo (POMI RAS)

arxiv:1906.09966 v1 · 2019-06-21 · 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{BLJLN3OHJC2VVJQ2S7C62MVQ6R}

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	2026-05-17T23:42:35.916951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ad2b6edc748b55aa61a97c5ed32b0f4614a8a567a0460c3c6a02992820d492a

Aliases

arxiv: 1906.09966 · arxiv_version: 1906.09966v1 · doi: 10.48550/arxiv.1906.09966 · pith_short_12: BLJLN3OHJC2V · pith_short_16: BLJLN3OHJC2VVJQ2 · pith_short_8: BLJLN3OH

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/BLJLN3OHJC2VVJQ2S7C62MVQ6R \
  | 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: 0ad2b6edc748b55aa61a97c5ed32b0f4614a8a567a0460c3c6a02992820d492a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2d1be8593f0b135f3490372cc0428267b849f619e4d00944298584843e255b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2019-06-21T16:43:13Z",
    "title_canon_sha256": "0b1144415f03a751e0848e6327c0be975ecfb09fe864b86fd68c0c63bd67b4a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.09966",
    "kind": "arxiv",
    "version": 1
  }
}