Pith Number

pith:XYU4CVHP

pith:2018:XYU4CVHPQVMC7QFH7KTC3WDXDL

not attested not anchored not stored refs pending

Motivic spheres and the image of the Suslin--Hurewicz map

Aravind Asok, Ben Williams, Jean Fasel

arxiv:1804.05030 v2 · 2018-04-13 · math.KT · math.AG · math.AT · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XYU4CVHPQVMC7QFH7KTC3WDXDL}

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	2026-05-17T23:41:31.254272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be29c154ef85582fc0a7faa62dd8771af19a31a5a8bafc0848b2d09c3d7d03ed

Aliases

arxiv: 1804.05030 · arxiv_version: 1804.05030v2 · doi: 10.48550/arxiv.1804.05030 · pith_short_12: XYU4CVHPQVMC · pith_short_16: XYU4CVHPQVMC7QFH · pith_short_8: XYU4CVHP

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/XYU4CVHPQVMC7QFH7KTC3WDXDL \
  | 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: be29c154ef85582fc0a7faa62dd8771af19a31a5a8bafc0848b2d09c3d7d03ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0872278d8cf6cdc7a937f2b481153ad24bf05b5054324ca98d2962a124948738",
    "cross_cats_sorted": [
      "math.AG",
      "math.AT",
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2018-04-13T17:00:32Z",
    "title_canon_sha256": "07e4678409e4c6ace62d8300a1fbd36f8770d32a67c539dfea0c15f23191dcd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.05030",
    "kind": "arxiv",
    "version": 2
  }
}