Pith Number

pith:NGG7XUIY

pith:2017:NGG7XUIYPGSYOKFXM47ONA6LXW

not attested not anchored not stored refs pending

Model topoi and motivic homotopy theory

Florian Strunk, Georgios Raptis

arxiv:1704.08467 v2 · 2017-04-27 · 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{NGG7XUIYPGSYOKFXM47ONA6LXW}

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	2026-05-18T00:00:31.109133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

698dfbd11879a58728b7673ee683cbbd95a23c1a1a563824491157c72788c6e6

Aliases

arxiv: 1704.08467 · arxiv_version: 1704.08467v2 · doi: 10.48550/arxiv.1704.08467 · pith_short_12: NGG7XUIYPGSY · pith_short_16: NGG7XUIYPGSYOKFX · pith_short_8: NGG7XUIY

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/NGG7XUIYPGSYOKFXM47ONA6LXW \
  | 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: 698dfbd11879a58728b7673ee683cbbd95a23c1a1a563824491157c72788c6e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cd0e72b2000537ddaa601ae979935a1ca21b12ee64c727269c852c922d3dbd2",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2017-04-27T08:07:09Z",
    "title_canon_sha256": "76a6a30d4c2a285b8dd3efa336fbf5e8b9d1edab7a24fc9d255fba7e823fc838"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08467",
    "kind": "arxiv",
    "version": 2
  }
}