Pith Number

pith:ET2EZDHT

pith:2018:ET2EZDHTY6SIQZFWWCPJKANRIM

not attested not anchored not stored refs pending

Differential Categories Revisited

J.R.B. Cockett, J-S. Pacaud Lemay, R.A.G. Seely, R.F. Blute

arxiv:1806.04804 v2 · 2018-06-13 · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ET2EZDHTY6SIQZFWWCPJKANRIM}

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	2026-05-17T23:46:55.331572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24f44c8cf3c7a48864b6b09e9501b14319e2d75f3d799fff98579542b4009b92

Aliases

arxiv: 1806.04804 · arxiv_version: 1806.04804v2 · doi: 10.48550/arxiv.1806.04804 · pith_short_12: ET2EZDHTY6SI · pith_short_16: ET2EZDHTY6SIQZFW · pith_short_8: ET2EZDHT

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/ET2EZDHTY6SIQZFWWCPJKANRIM \
  | 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: 24f44c8cf3c7a48864b6b09e9501b14319e2d75f3d799fff98579542b4009b92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13d7fcb5c1b18f341e9dc82bfd0a217a47bc26d2370714f3f1300b39f7e390e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2018-06-13T00:34:17Z",
    "title_canon_sha256": "c2c642e8b2fe16a4a3580b03bbe671391dd188684d479ab4bba3d52d5b4d9e0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.04804",
    "kind": "arxiv",
    "version": 2
  }
}