Pith Number

pith:BEZIQEIK

pith:2020:BEZIQEIKENOL4H2F77ZXSZ3KTC

not attested not anchored not stored refs pending

Gluing of multiple Alexandrov spaces

Jian Ge, Nan Li

arxiv:2003.09919 v1 · 2020-03-22 · math.DG · 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{BEZIQEIKENOL4H2F77ZXSZ3KTC}

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	2026-07-05T00:49:48.097330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

093288110a235cbe1f45fff379676a98bd45c3adb9f2a377718c08efa204a0af

Aliases

arxiv: 2003.09919 · arxiv_version: 2003.09919v1 · doi: 10.48550/arxiv.2003.09919 · pith_short_12: BEZIQEIKENOL · pith_short_16: BEZIQEIKENOL4H2F · pith_short_8: BEZIQEIK

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/BEZIQEIKENOL4H2F77ZXSZ3KTC \
  | 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: 093288110a235cbe1f45fff379676a98bd45c3adb9f2a377718c08efa204a0af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9431f2a72f0e62c27409a2d3ae3c1f62dfe70e9e107d752667b43c6ca2b9df3c",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2020-03-22T15:10:42Z",
    "title_canon_sha256": "fb127c7f4ffd25bb6299d7fb1e1a696e932211f0139911d73f5833f6c95dd6a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.09919",
    "kind": "arxiv",
    "version": 1
  }
}