Pith Number

pith:SMI3S2NX

pith:2025:SMI3S2NX3STIAQ3GQHU3UW7QNS

not attested not anchored not stored refs pending

On the homology description of equivariant unoriented bordism groups

Bo Chen, Zhi L\"u

arxiv:2508.11841 v2 · 2025-08-15 · 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{SMI3S2NX3STIAQ3GQHU3UW7QNS}

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	2026-07-05T11:55:42.378862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9311b969b7dca680436681e9ba5bf06cb3ec7184e19f47192ed4e88b5e5e17b4

Aliases

arxiv: 2508.11841 · arxiv_version: 2508.11841v2 · doi: 10.48550/arxiv.2508.11841 · pith_short_12: SMI3S2NX3STI · pith_short_16: SMI3S2NX3STIAQ3G · pith_short_8: SMI3S2NX

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/SMI3S2NX3STIAQ3GQHU3UW7QNS \
  | 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: 9311b969b7dca680436681e9ba5bf06cb3ec7184e19f47192ed4e88b5e5e17b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14b73addbec28fb0f30501e2a0414bd17ea2e2bfcd4e7a8679c7a6a40515ee36",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2025-08-15T23:41:19Z",
    "title_canon_sha256": "d88ddada436d6fba7c2bb6495843d5b1af6ff58dd4095967f96846d8436f4746"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.11841",
    "kind": "arxiv",
    "version": 2
  }
}