Pith Number

pith:7WBIJ6MP

pith:2015:7WBIJ6MPKV6MG3D75MAVOX3ERF

not attested not anchored not stored refs pending

Recognisable languages over monads

Miko{\l}aj Boja\'nczyk

arxiv:1502.04898 v1 · 2015-02-17 · 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{7WBIJ6MPKV6MG3D75MAVOX3ERF}

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.

Cited by

1 paper in Pith

Dynamic Membership for Regular Tree Languages

Receipt and verification

First computed	2026-05-18T02:26:53.589783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd8284f98f557cc36c7feb01575f648949160b8389fb51a971bfa4064f76ad3f

Aliases

arxiv: 1502.04898 · arxiv_version: 1502.04898v1 · doi: 10.48550/arxiv.1502.04898 · pith_short_12: 7WBIJ6MPKV6M · pith_short_16: 7WBIJ6MPKV6MG3D7 · pith_short_8: 7WBIJ6MP

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/7WBIJ6MPKV6MG3D75MAVOX3ERF \
  | 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: fd8284f98f557cc36c7feb01575f648949160b8389fb51a971bfa4064f76ad3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aad17fe2c4f2e54cea473b93373290a7c121f9be77a48c9250f35d50a38ef532",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-02-17T14:07:12Z",
    "title_canon_sha256": "0c38ea63d4dad45612d55eda49750656d4839aacbe7560261d1ebe75d2aa94c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04898",
    "kind": "arxiv",
    "version": 1
  }
}