Pith Number

pith:Q35HCMCO

pith:2018:Q35HCMCO6KSBJD54OY72256GLS

not attested not anchored not stored refs pending

Rost nilpotence and free theories

Alexander Vishik, Stefan Gille

arxiv:1804.04703 v1 · 2018-04-12 · 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{Q35HCMCO6KSBJD54OY72256GLS}

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	2026-05-17T23:59:52.972840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86fa71304ef2a4148fbc763fad77c65c9ad9635f976fe26e542806e57cc63832

Aliases

arxiv: 1804.04703 · arxiv_version: 1804.04703v1 · doi: 10.48550/arxiv.1804.04703 · pith_short_12: Q35HCMCO6KSB · pith_short_16: Q35HCMCO6KSBJD54 · pith_short_8: Q35HCMCO

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/Q35HCMCO6KSBJD54OY72256GLS \
  | 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: 86fa71304ef2a4148fbc763fad77c65c9ad9635f976fe26e542806e57cc63832

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20b0459867fc646c308b0140990f202229367ec87653b0948faa3d977cecdc05",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-04-12T19:41:36Z",
    "title_canon_sha256": "1f3db7ef67adb33ad8dd4681105cc8224cece8a88b26c23b68ffac8c7479bfd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04703",
    "kind": "arxiv",
    "version": 1
  }
}