Pith Number

pith:SBS3TJ5I

pith:2018:SBS3TJ5IFAD42TTNHV2XNH7RMJ

not attested not anchored not stored refs pending

Exponentiable Higher Toposes

Damien Lejay, Mathieu Anel

arxiv:1802.10425 v1 · 2018-02-28 · math.CT · 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{SBS3TJ5IFAD42TTNHV2XNH7RMJ}

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	2026-05-18T00:22:17.173747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9065b9a7a82807cd4e6d3d75769ff1627fd76b544938c107848f88648781eec9

Aliases

arxiv: 1802.10425 · arxiv_version: 1802.10425v1 · doi: 10.48550/arxiv.1802.10425 · pith_short_12: SBS3TJ5IFAD4 · pith_short_16: SBS3TJ5IFAD42TTN · pith_short_8: SBS3TJ5I

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/SBS3TJ5IFAD42TTNHV2XNH7RMJ \
  | 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: 9065b9a7a82807cd4e6d3d75769ff1627fd76b544938c107848f88648781eec9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49d14bb7b000d9b07b89fb36aa0ba0a053a9e7ff52ee3f92fed5a121c10f520b",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2018-02-28T14:17:52Z",
    "title_canon_sha256": "520f0be48769a799e4c5a3ec31586db562f819bfa6d2c673f366fe5f913e2ffb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.10425",
    "kind": "arxiv",
    "version": 1
  }
}