Pith Number

pith:BIJGZCTB

pith:2016:BIJGZCTB53DL5GQHIOGJFTHRTX

not attested not anchored not stored refs pending

Noncommutative Borsuk-Ulam-type conjectures revisited

Ludwik D\k{a}browski, Piotr M. Hajac, Sergey Neshveyev

arxiv:1611.04130 v2 · 2016-11-13 · math.QA · math-ph · math.GN · 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{BIJGZCTB53DL5GQHIOGJFTHRTX}

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	2026-05-18T00:27:02.864358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a126c8a61eec6be9a07438c92ccf19de41cdd07c3288f2336ac4de1e904142d

Aliases

arxiv: 1611.04130 · arxiv_version: 1611.04130v2 · doi: 10.48550/arxiv.1611.04130 · pith_short_12: BIJGZCTB53DL · pith_short_16: BIJGZCTB53DL5GQH · pith_short_8: BIJGZCTB

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/BIJGZCTB53DL5GQHIOGJFTHRTX \
  | 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: 0a126c8a61eec6be9a07438c92ccf19de41cdd07c3288f2336ac4de1e904142d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d9924f1155d48e877f87301db3f23abe0539f1f381ebc62d3b0ac0e4425b095",
    "cross_cats_sorted": [
      "math-ph",
      "math.GN",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2016-11-13T13:10:31Z",
    "title_canon_sha256": "bd768b993952a77f75270c63e3311b646736fee3e147c09fe80b39c0a7a39766"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.04130",
    "kind": "arxiv",
    "version": 2
  }
}