Pith Number

pith:DE3JRPSA

pith:2024:DE3JRPSAP5QGB2EYGDMU4WYJXJ

not attested not anchored not stored refs pending

Real spin bordism and orientations of topological $\mathrm{K}$-theory

Yigal Kamel, Zachary Halladay

arxiv:2405.00963 v2 · 2024-05-02 · math.AT · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DE3JRPSAP5QGB2EYGDMU4WYJXJ}

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	2026-07-05T11:52:55.339001Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

193698be407f6060e89830d94e5b09ba7a9b6b177c31aebeff453f941afc49a5

Aliases

arxiv: 2405.00963 · arxiv_version: 2405.00963v2 · doi: 10.48550/arxiv.2405.00963 · pith_short_12: DE3JRPSAP5QG · pith_short_16: DE3JRPSAP5QGB2EY · pith_short_8: DE3JRPSA

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/DE3JRPSAP5QGB2EYGDMU4WYJXJ \
  | 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: 193698be407f6060e89830d94e5b09ba7a9b6b177c31aebeff453f941afc49a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32189fdfb5ab0c4856648ba587e570349752d8728137c91309105378a3a5cb4e",
    "cross_cats_sorted": [
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2024-05-02T03:02:05Z",
    "title_canon_sha256": "9e89f7d7c708d1161e4da897238f033c9b366fc0916dc56b67b51433fd7517c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.00963",
    "kind": "arxiv",
    "version": 2
  }
}