Pith Number

pith:7XIMIN77

pith:2018:7XIMIN77N6SANV4SC74KH3KIR2

not attested not anchored not stored refs pending

Remarks on Fixed Point Assertions in Digital Topology, 3

Laurence Boxer

arxiv:1812.04617 v1 · 2018-12-10 · math.GN · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7XIMIN77N6SANV4SC74KH3KIR2}

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	2026-05-17T23:58:29.959826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdd0c437ff6fa406d79217f8a3ed488eb283bc198757d7bba6258919664c32c6

Aliases

arxiv: 1812.04617 · arxiv_version: 1812.04617v1 · doi: 10.48550/arxiv.1812.04617 · pith_short_12: 7XIMIN77N6SA · pith_short_16: 7XIMIN77N6SANV4S · pith_short_8: 7XIMIN77

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/7XIMIN77N6SANV4SC74KH3KIR2 \
  | 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: fdd0c437ff6fa406d79217f8a3ed488eb283bc198757d7bba6258919664c32c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d453bd1a43d4ecfd1ada65528f05da0f2ffd7b69767e7ddd61843334721484a1",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2018-12-10T23:17:25Z",
    "title_canon_sha256": "d270eb94a0872b1653aefd28d4ef1acb7f87877921806dada596c6a4db39b20d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.04617",
    "kind": "arxiv",
    "version": 1
  }
}