Pith Number

pith:RZB6TP6R

pith:2009:RZB6TP6RXDUU6INZIZ6MNMXBWP

not attested not anchored not stored refs pending

What Separable Frobenius Monoidal Functors Preserve

Micah Blake McCurdy, Ross Street

arxiv:0904.3449 v4 · 2009-04-22 · math.CT · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RZB6TP6RXDUU6INZIZ6MNMXBWP}

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	2026-05-18T00:54:09.215006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e43e9bfd1b8e94f21b9467cc6b2e1b3fefec0bbe20174a9a197f9bdd9fc0163

Aliases

arxiv: 0904.3449 · arxiv_version: 0904.3449v4 · doi: 10.48550/arxiv.0904.3449 · pith_short_12: RZB6TP6RXDUU · pith_short_16: RZB6TP6RXDUU6INZ · pith_short_8: RZB6TP6R

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/RZB6TP6RXDUU6INZIZ6MNMXBWP \
  | 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: 8e43e9bfd1b8e94f21b9467cc6b2e1b3fefec0bbe20174a9a197f9bdd9fc0163

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f460288aaefca172d4b0acf2dc917fd4261b9d1e575da74249feeb493f6c4f7",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2009-04-22T12:26:12Z",
    "title_canon_sha256": "12e58719c91c4b5dac25072146bbd5cfb88d996f454ef3094ca27c5953c4bdea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.3449",
    "kind": "arxiv",
    "version": 4
  }
}