Pith Number

pith:AH3T374O

pith:2018:AH3T374OBCY43M57KOWPTLPPSI

not attested not anchored not stored refs pending

Proper Semirings and Proper Convex Functors

Ana Sokolova, Harald Woracek

arxiv:1802.07830 v2 · 2018-02-21 · 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{AH3T374OBCY43M57KOWPTLPPSI}

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	2026-05-18T00:22:36.824569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01f73dff8e08b1cdb3bf53acf9adef9236653fe615a497dc33c8d6a961abb05a

Aliases

arxiv: 1802.07830 · arxiv_version: 1802.07830v2 · doi: 10.48550/arxiv.1802.07830 · pith_short_12: AH3T374OBCY4 · pith_short_16: AH3T374OBCY43M57 · pith_short_8: AH3T374O

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/AH3T374OBCY43M57KOWPTLPPSI \
  | 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: 01f73dff8e08b1cdb3bf53acf9adef9236653fe615a497dc33c8d6a961abb05a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b936070994dff06182e74244afc2759968fab5a38517a99a48207663bb8a4311",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-02-21T22:10:37Z",
    "title_canon_sha256": "970b88f205d0146e478de06dbd8c0e5a7187839f1870918cd724eb6769af093a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07830",
    "kind": "arxiv",
    "version": 2
  }
}