Pith Number

pith:UVVJUZJX

pith:2026:UVVJUZJXVTZMOYZLEVJPKM2FUC

not attested not anchored not stored refs pending

Parametrized $\underline{\mathbb{F}}_2$-Cohomology of $B_{C_2}O(1)$

Agn\`es Beaudry, Chloe Lewis, Clover May, Elizabeth Tatum, Sabrina Pauli

arxiv:2607.27398 v1 · 2026-07-29 · 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{UVVJUZJXVTZMOYZLEVJPKM2FUC}

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	2026-07-31T00:11:40.852698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

a56a9a6537acf2c7632b2552f53345a085061f6847e81b99d6b319296525e889

Aliases

arxiv: 2607.27398 · arxiv_version: 2607.27398v1 · doi: 10.48550/arxiv.2607.27398 · pith_short_12: UVVJUZJXVTZM · pith_short_16: UVVJUZJXVTZMOYZL · pith_short_8: UVVJUZJX

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/UVVJUZJXVTZMOYZLEVJPKM2FUC \
  | 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: a56a9a6537acf2c7632b2552f53345a085061f6847e81b99d6b319296525e889

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfbb99975f170725cf876d6e5723db18130d5a5807af68c890d8ede72012a4d3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2026-07-29T19:10:52Z",
    "title_canon_sha256": "6c232b55d45ec1ef59d56dd036bce3618ed227f93a67556648e84c16d57916ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.27398",
    "kind": "arxiv",
    "version": 1
  }
}