Pith Number

pith:K7MVZ2QI

pith:2017:K7MVZ2QIFUJGKWJCCNKN3WTGBS

not attested not anchored not stored refs pending

On the Initial Algebra and Final Co-algebra of some Endofunctors on Categories of Pointed Metric Spaces

Annanthakrishna Manokaran, Jayampathy Ratnayake, Romaine Jayewardene

arxiv:1710.07417 v1 · 2017-10-20 · 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{K7MVZ2QIFUJGKWJCCNKN3WTGBS}

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	2026-05-18T00:32:24.872919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57d95cea082d126559221354ddda660c8e5bed6acad4f86bc49a06ee5da9e37b

Aliases

arxiv: 1710.07417 · arxiv_version: 1710.07417v1 · doi: 10.48550/arxiv.1710.07417 · pith_short_12: K7MVZ2QIFUJG · pith_short_16: K7MVZ2QIFUJGKWJC · pith_short_8: K7MVZ2QI

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/K7MVZ2QIFUJGKWJCCNKN3WTGBS \
  | 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: 57d95cea082d126559221354ddda660c8e5bed6acad4f86bc49a06ee5da9e37b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16650cce23798bab691e4956d4fa3b3b371d7dc22dc7be207dced8a3b38276b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2017-10-20T05:22:38Z",
    "title_canon_sha256": "fdd2aae0a9fbff2c67714680b3afabfa853ffb9fb0ebfddcf5bd2656d2208ce9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.07417",
    "kind": "arxiv",
    "version": 1
  }
}