Pith Number

pith:VH4JUG7E

pith:2017:VH4JUG7EL6NTQKX4AHIKAIZ6AK

not attested not anchored not stored refs pending

Effective Grothendieck-Witt motives of smooth varieties

Andrei Druzhinin

arxiv:1709.06273 v5 · 2017-09-19 · math.AG · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VH4JUG7EL6NTQKX4AHIKAIZ6AK}

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	2026-05-18T00:19:53.498963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9f89a1be45f9b382afc01d0a0233e0291e267a3e5e227495a35af27a861f957

Aliases

arxiv: 1709.06273 · arxiv_version: 1709.06273v5 · doi: 10.48550/arxiv.1709.06273 · pith_short_12: VH4JUG7EL6NT · pith_short_16: VH4JUG7EL6NTQKX4 · pith_short_8: VH4JUG7E

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/VH4JUG7EL6NTQKX4AHIKAIZ6AK \
  | 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: a9f89a1be45f9b382afc01d0a0233e0291e267a3e5e227495a35af27a861f957

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab984b778daef13a3306937f43b620eab8d3bf1caf215e10470d2178123668f6",
    "cross_cats_sorted": [
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-09-19T07:16:39Z",
    "title_canon_sha256": "523a62c7eef7b6c6a964b606348a00eb29b68a7e5434a7c658ce1cd85ad9ab82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.06273",
    "kind": "arxiv",
    "version": 5
  }
}