Pith Number

pith:SXOF3LGO

pith:2017:SXOF3LGO37WGBYRZXT4SEDGBSP

not attested not anchored not stored refs pending

Borel structurability by locally finite simplicial complexes

Ruiyuan Chen

arxiv:1702.07057 v2 · 2017-02-23 · math.LO · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SXOF3LGO37WGBYRZXT4SEDGBSP}

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	2026-05-18T00:34:38.995699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95dc5daccedfec60e239bcf9220cc193c9a0bca2e6d6eb58661e3de0d2f4ee57

Aliases

arxiv: 1702.07057 · arxiv_version: 1702.07057v2 · doi: 10.48550/arxiv.1702.07057 · pith_short_12: SXOF3LGO37WG · pith_short_16: SXOF3LGO37WGBYRZ · pith_short_8: SXOF3LGO

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/SXOF3LGO37WGBYRZXT4SEDGBSP \
  | 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: 95dc5daccedfec60e239bcf9220cc193c9a0bca2e6d6eb58661e3de0d2f4ee57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62c191656146fe1a201cee4395513368a9d91a9e2d5c035f799c1a60b4e183e6",
    "cross_cats_sorted": [
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-02-23T01:12:17Z",
    "title_canon_sha256": "9385c3e21c9b9a42ff134264e320f4eb2f735e04f2a7084828419cf0993d60d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07057",
    "kind": "arxiv",
    "version": 2
  }
}