Pith Number

pith:T5CPNJWY

pith:2015:T5CPNJWY6WJTLSMBCRZ7LA3W7D

not attested not anchored not stored refs pending

The simplicial suspension sequence in A^1-homotopy

Aravind Asok, Ben Williams, Kirsten Wickelgren

arxiv:1507.05152 v2 · 2015-07-18 · math.KT · math.AG · 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{T5CPNJWY6WJTLSMBCRZ7LA3W7D}

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	2026-05-18T00:42:33.387570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f44f6a6d8f59335c9811473f58376f8d453244c40d1695221ca65b0bdba7b0b

Aliases

arxiv: 1507.05152 · arxiv_version: 1507.05152v2 · doi: 10.48550/arxiv.1507.05152 · pith_short_12: T5CPNJWY6WJT · pith_short_16: T5CPNJWY6WJTLSMB · pith_short_8: T5CPNJWY

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/T5CPNJWY6WJTLSMBCRZ7LA3W7D \
  | 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: 9f44f6a6d8f59335c9811473f58376f8d453244c40d1695221ca65b0bdba7b0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57d9b5656d69b656452f334509dc22761a6c1e6ef6227de94c32835c6c03650d",
    "cross_cats_sorted": [
      "math.AG",
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2015-07-18T06:48:03Z",
    "title_canon_sha256": "04be5d6e555eede2627cea0df5ef5611e6b8902d2baa9f35a39e91640426c833"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.05152",
    "kind": "arxiv",
    "version": 2
  }
}