Pith Number

pith:CD6H26KB

pith:2018:CD6H26KBVC2INEMNCEXWXIBT6W

not attested not anchored not stored refs pending

Cartesian closed exact completions in topology

Dirk Hofmann, Maria Manuel Clementino, Willian Ribeiro

arxiv:1811.03993 v2 · 2018-11-09 · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CD6H26KBVC2INEMNCEXWXIBT6W}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:47:15.835513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10fc7d7941a8b486918d112f6ba033f5ad4201888b2fcdc965b6743560f9c10d

Aliases

arxiv: 1811.03993 · arxiv_version: 1811.03993v2 · doi: 10.48550/arxiv.1811.03993 · pith_short_12: CD6H26KBVC2I · pith_short_16: CD6H26KBVC2INEMN · pith_short_8: CD6H26KB

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/CD6H26KBVC2INEMNCEXWXIBT6W \
  | 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: 10fc7d7941a8b486918d112f6ba033f5ad4201888b2fcdc965b6743560f9c10d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1465e50a263cfcb8c5b387fe7bc83b00cb763b274f3e58a66be1407779681e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2018-11-09T16:08:22Z",
    "title_canon_sha256": "756311f33b0d2ea908143fe3ba905500eec4d7feda38d8cf6f33c972a35cb5eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.03993",
    "kind": "arxiv",
    "version": 2
  }
}