Pith Number

pith:EZTZSHQ4

pith:2014:EZTZSHQ42W2KBGI4ELJFSRYI5T

not attested not anchored not stored refs pending

Motivic homotopy theory of group scheme actions

Amalendu Krishna, Jeremiah Heller, Paul Arne Ostvaer

arxiv:1408.2348 v2 · 2014-08-11 · math.AT · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EZTZSHQ42W2KBGI4ELJFSRYI5T}

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	2026-05-18T01:30:01.292957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2667991e1cd5b4a0991c22d2594708ecc5842b74b4cd39269984b5ae0e2ce8f7

Aliases

arxiv: 1408.2348 · arxiv_version: 1408.2348v2 · doi: 10.48550/arxiv.1408.2348 · pith_short_12: EZTZSHQ42W2K · pith_short_16: EZTZSHQ42W2KBGI4 · pith_short_8: EZTZSHQ4

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/EZTZSHQ42W2KBGI4ELJFSRYI5T \
  | 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: 2667991e1cd5b4a0991c22d2594708ecc5842b74b4cd39269984b5ae0e2ce8f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edd7bfad85229b37e1a36416eebdb55ed08ebe02e0de3c46d4fad6972efeee60",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2014-08-11T08:33:22Z",
    "title_canon_sha256": "063975709cfaf6da6cc69bb7bbd269b6f42ed00b81ac18f6d7434dcb1c72ef7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2348",
    "kind": "arxiv",
    "version": 2
  }
}