Pith Number

pith:BGDMK3JP

pith:2020:BGDMK3JPMOXDCKYSF3CWRNJCAT

not attested not anchored not stored refs pending

A new approach to mod 2 decompositions of BSU(2) and BSO(3)

Eva Belmont, Jelena Grbi\'c, Kathryn Lesh, Michelle Strumila, Nat\`alia Castellana

arxiv:2004.07306 v1 · 2020-04-15 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BGDMK3JPMOXDCKYSF3CWRNJCAT}

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	2026-07-05T00:55:32.091523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0986c56d2f63ae312b122ec568b52204de3421799d6e612da96c247313ffd839

Aliases

arxiv: 2004.07306 · arxiv_version: 2004.07306v1 · doi: 10.48550/arxiv.2004.07306 · pith_short_12: BGDMK3JPMOXD · pith_short_16: BGDMK3JPMOXDCKYS · pith_short_8: BGDMK3JP

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/BGDMK3JPMOXDCKYSF3CWRNJCAT \
  | 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: 0986c56d2f63ae312b122ec568b52204de3421799d6e612da96c247313ffd839

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "710ffe2f87d737e183b6bd05d61e76bd6cebbe2f22c5947cc3e0f1525a2cbb43",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2020-04-15T19:17:37Z",
    "title_canon_sha256": "33ca7281153092e6ed04d10dfc0f138bf2abeccc0209ac5171fc8b807d9c0511"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.07306",
    "kind": "arxiv",
    "version": 1
  }
}