Pith Number

pith:U6JABNAC

pith:2016:U6JABNAC22YXZMAFYVRX54AG3X

not attested not anchored not stored refs pending

A Category Theoretical Investigation of the Type Hierarchy for Heterogeneous Sensor Integration

Cliff Joslyn, Emilie Purvine, Michael Robinson

arxiv:1609.02883 v1 · 2016-09-09 · 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{U6JABNAC22YXZMAFYVRX54AG3X}

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	2026-05-18T01:04:51.030480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a79200b402d6b17cb005c5637ef006dddb0baef58dda48c271fbedd3fd13515f

Aliases

arxiv: 1609.02883 · arxiv_version: 1609.02883v1 · doi: 10.48550/arxiv.1609.02883 · pith_short_12: U6JABNAC22YX · pith_short_16: U6JABNAC22YXZMAF · pith_short_8: U6JABNAC

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/U6JABNAC22YXZMAFYVRX54AG3X \
  | 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: a79200b402d6b17cb005c5637ef006dddb0baef58dda48c271fbedd3fd13515f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77cc415ae6df5bb91f7609793422feac51014f0a93a84e17158442590a5ada79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2016-09-09T18:37:35Z",
    "title_canon_sha256": "aaefd58548cf22c2756bde5d5700a848d7fb6fa528b2ec0bb900190e41cf15a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.02883",
    "kind": "arxiv",
    "version": 1
  }
}