Pith Number

pith:4JJT2R7Q

pith:2016:4JJT2R7Q2XUZMEPXBVWK5GKBGS

not attested not anchored not stored refs pending

When do links admit homeomorphic C-complexes?

Christopher William Davis, Grant Roth

arxiv:1604.05361 v3 · 2016-04-18 · 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{4JJT2R7Q2XUZMEPXBVWK5GKBGS}

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	2026-05-18T01:02:30.710094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2533d47f0d5e99611f70d6cae994134bfa386f776e949bbd4dbd38aa66c348c

Aliases

arxiv: 1604.05361 · arxiv_version: 1604.05361v3 · doi: 10.48550/arxiv.1604.05361 · pith_short_12: 4JJT2R7Q2XUZ · pith_short_16: 4JJT2R7Q2XUZMEPX · pith_short_8: 4JJT2R7Q

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/4JJT2R7Q2XUZMEPXBVWK5GKBGS \
  | 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: e2533d47f0d5e99611f70d6cae994134bfa386f776e949bbd4dbd38aa66c348c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "409201e380b817856525745c1da6ac512900c31c87102b4f781ce4ac3b80286e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2016-04-18T21:56:24Z",
    "title_canon_sha256": "dbf804bb9a4b44ddb0d7b18bedfc861aeb8136c2f40cf3faa0607666ead81057"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05361",
    "kind": "arxiv",
    "version": 3
  }
}