Pith Number

pith:F2BISRHC

pith:2017:F2BISRHCTQVR3IBRXSE7VBK244

not attested not anchored not stored refs pending

On Two Topologies that were suggested by Zeeman

Basil K. Papadopoulos, Kyriakos Papadopoulos

arxiv:1706.07488 v10 · 2017-06-22 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F2BISRHCTQVR3IBRXSE7VBK244}

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	2026-05-18T00:07:50.764774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e828944e29c2b1da031bc89fa855ae73616b2247ac79c9d72861b82c1ef592b

Aliases

arxiv: 1706.07488 · arxiv_version: 1706.07488v10 · doi: 10.48550/arxiv.1706.07488 · pith_short_12: F2BISRHCTQVR · pith_short_16: F2BISRHCTQVR3IBR · pith_short_8: F2BISRHC

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/F2BISRHCTQVR3IBRXSE7VBK244 \
  | 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: 2e828944e29c2b1da031bc89fa855ae73616b2247ac79c9d72861b82c1ef592b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c95b2c1bca791463288b9e6d3911b960e89f04856921278d19023d2dbe912040",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2017-06-22T21:01:36Z",
    "title_canon_sha256": "ee5c23a616acdc4b27da9371dd31a1619680aba006691025dccd225b07fc39bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07488",
    "kind": "arxiv",
    "version": 10
  }
}