Pith Number

pith:R7KZZNC4

pith:2013:R7KZZNC4HULHHSJNA7UM4IBABF

not attested not anchored not stored refs pending

Elements of a theory of algebraic theories

Martin Hyland

arxiv:1311.7642 v1 · 2013-11-29 · 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{R7KZZNC4HULHHSJNA7UM4IBABF}

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	2026-05-18T03:05:55.697942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fd59cb45c3d1673c92d07e8ce202009537505a04e4ee090ac1515cec734b581

Aliases

arxiv: 1311.7642 · arxiv_version: 1311.7642v1 · doi: 10.48550/arxiv.1311.7642 · pith_short_12: R7KZZNC4HULH · pith_short_16: R7KZZNC4HULHHSJN · pith_short_8: R7KZZNC4

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/R7KZZNC4HULHHSJNA7UM4IBABF \
  | 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: 8fd59cb45c3d1673c92d07e8ce202009537505a04e4ee090ac1515cec734b581

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e238d77966b0c75badfc36fed49d86544b911896862a0fdfae75c330fd839b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2013-11-29T17:44:28Z",
    "title_canon_sha256": "287f0e66daf004eb259a707e376f5948acf0790ceff0fa4c377c618937efda4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.7642",
    "kind": "arxiv",
    "version": 1
  }
}