Pith Number

pith:4MTTNFIR

pith:2019:4MTTNFIRI6OWXDFIWSZPJU4V63

not attested not anchored not stored refs pending

The Bredon-Landweber region in $C_2$-equivariant stable homotopy groups

Bertrand J. Guillou, Daniel C. Isaksen

arxiv:1907.01539 v1 · 2019-07-02 · 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{4MTTNFIRI6OWXDFIWSZPJU4V63}

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	2026-05-17T23:41:40.097887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e327369511479d6b8ca8b4b2f4d395f6c2c36a01450b4d4d08ce22e1534203ce

Aliases

arxiv: 1907.01539 · arxiv_version: 1907.01539v1 · doi: 10.48550/arxiv.1907.01539 · pith_short_12: 4MTTNFIRI6OW · pith_short_16: 4MTTNFIRI6OWXDFI · pith_short_8: 4MTTNFIR

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/4MTTNFIRI6OWXDFIWSZPJU4V63 \
  | 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: e327369511479d6b8ca8b4b2f4d395f6c2c36a01450b4d4d08ce22e1534203ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bcc90a18ae130c54322513c5f9f38c009f15815eb212d711d49e57abda58491",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2019-07-02T17:47:56Z",
    "title_canon_sha256": "d3e41d045ec621419103e63e74c9f439cc06f50ff8b11cbf8bef971b29cf0cdd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.01539",
    "kind": "arxiv",
    "version": 1
  }
}