Pith Number

pith:XM6LLGHQ

pith:2017:XM6LLGHQC5Y4E2POAHJBMWBRMW

not attested not anchored not stored refs pending

On Corecursive Algebras for Functors Preserving Coproducts

Ji\v{r}\'i Ad\'amek, Stefan Milius

arxiv:1703.07574 v2 · 2017-03-22 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XM6LLGHQC5Y4E2POAHJBMWBRMW}

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	2026-05-18T00:43:44.919052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb3cb598f01771c269ee01d21658316591c42e53081ace065d8669eb753bb79a

Aliases

arxiv: 1703.07574 · arxiv_version: 1703.07574v2 · doi: 10.48550/arxiv.1703.07574 · pith_short_12: XM6LLGHQC5Y4 · pith_short_16: XM6LLGHQC5Y4E2PO · pith_short_8: XM6LLGHQ

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/XM6LLGHQC5Y4E2POAHJBMWBRMW \
  | 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: bb3cb598f01771c269ee01d21658316591c42e53081ace065d8669eb753bb79a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a40c6305eb3315eda0f105b1ebf8263954032006832fffdb26f61e39cfef4fc5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2017-03-22T09:15:55Z",
    "title_canon_sha256": "9dfecf0b50280bd8207c341f1b9cd322883f9e4d245120dff86da0f7a06a5436"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.07574",
    "kind": "arxiv",
    "version": 2
  }
}