Pith Number

pith:P735GQQ6

pith:2016:P735GQQ66HUDHRSNTBFY5WEQO7

not attested not anchored not stored refs pending

Feferman's Forays into the Foundations of Category Theory

Ali Enayat, Paul Gorbow, Zachiri McKenzie

arxiv:1603.03272 v1 · 2016-03-10 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P735GQQ66HUDHRSNTBFY5WEQO7}

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	2026-05-18T01:19:16.676795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ff7d3421ef1e833c64d984b8ed89077daaa5051f878e0e70e58c4c03002a9ef

Aliases

arxiv: 1603.03272 · arxiv_version: 1603.03272v1 · doi: 10.48550/arxiv.1603.03272 · pith_short_12: P735GQQ66HUD · pith_short_16: P735GQQ66HUDHRSN · pith_short_8: P735GQQ6

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/P735GQQ66HUDHRSNTBFY5WEQO7 \
  | 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: 7ff7d3421ef1e833c64d984b8ed89077daaa5051f878e0e70e58c4c03002a9ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4df43427cb109fb2125be95a3f5ada11da9b949b130027d01420da8d690269e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2016-03-10T14:02:23Z",
    "title_canon_sha256": "c8fd9b9cde0b106d96101356fdd297ef27cb5c622bcc9a8d570f2eb4dfbeda19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.03272",
    "kind": "arxiv",
    "version": 1
  }
}