Pith Number

pith:CFHNMS3L

pith:2018:CFHNMS3LNMEHT3Q55WKL6YHJW2

not attested not anchored not stored refs pending

The elementary construction of formal anafunctors

David Michael Roberts

arxiv:1808.04552 v4 · 2018-08-14 · 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{CFHNMS3LNMEHT3Q55WKL6YHJW2}

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.

Cited by

1 paper in Pith

Bicategories of fractions revisited: towards small homs and canonical 2-cells

Receipt and verification

First computed	2026-07-05T03:16:48.387542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

114ed64b6b6b0879ee1ded94bf60e9b68fdfd60426b1307ee1f4530320754ae1

Aliases

arxiv: 1808.04552 · arxiv_version: 1808.04552v4 · doi: 10.48550/arxiv.1808.04552 · pith_short_12: CFHNMS3LNMEH · pith_short_16: CFHNMS3LNMEHT3Q5 · pith_short_8: CFHNMS3L

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/CFHNMS3LNMEHT3Q55WKL6YHJW2 \
  | 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: 114ed64b6b6b0879ee1ded94bf60e9b68fdfd60426b1307ee1f4530320754ae1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "effb582ebba02a138cd7c43063139ce831ee75ca00163839fb9ce0d23d497dc7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2018-08-14T06:46:13Z",
    "title_canon_sha256": "4d826f7bb92f35a7c02c46f2e8954ab988e9e2617f2ea52c6ffdc59115da7d15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.04552",
    "kind": "arxiv",
    "version": 4
  }
}