Pith Number

pith:H6D3DDHJ

pith:2016:H6D3DDHJFMCHZ2RT6F4OD4VMDZ

not attested not anchored not stored refs pending

Category Free Category Theory and Its Philosophical Implications

Michael Heller

arxiv:1602.01759 v1 · 2016-02-04 · 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{H6D3DDHJFMCHZ2RT6F4OD4VMDZ}

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	2026-05-18T01:21:18.166911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f87b18ce92b047cea33f178e1f2ac1e67666b6aaa4246c20cda1565f2cd07d1

Aliases

arxiv: 1602.01759 · arxiv_version: 1602.01759v1 · doi: 10.48550/arxiv.1602.01759 · pith_short_12: H6D3DDHJFMCH · pith_short_16: H6D3DDHJFMCHZ2RT · pith_short_8: H6D3DDHJ

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/H6D3DDHJFMCHZ2RT6F4OD4VMDZ \
  | 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: 3f87b18ce92b047cea33f178e1f2ac1e67666b6aaa4246c20cda1565f2cd07d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99c1d251b076cbe8d989224d1a3e948f92b96893bac05be384251485ba9d1436",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2016-02-04T17:39:37Z",
    "title_canon_sha256": "6f9fa8847729f064a66daf868f19b76b746d2203e38d3f2d72f04c8318df8aaa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.01759",
    "kind": "arxiv",
    "version": 1
  }
}