Pith Number

pith:M4B6BK6I

pith:2015:M4B6BK6IKK4VNW443XYKFXM5GA

not attested not anchored not stored refs pending

Featherweight PINQ

David Sands, Hamid Ebadi

arxiv:1505.02642 v1 · 2015-05-11 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M4B6BK6IKK4VNW443XYKFXM5GA}

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	2026-05-18T02:16:11.956538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6703e0abc852b956db9cddf0a2dd9d3035c6879b3304c3a938bcb29e3587e0a9

Aliases

arxiv: 1505.02642 · arxiv_version: 1505.02642v1 · doi: 10.48550/arxiv.1505.02642 · pith_short_12: M4B6BK6IKK4V · pith_short_16: M4B6BK6IKK4VNW44 · pith_short_8: M4B6BK6I

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/M4B6BK6IKK4VNW443XYKFXM5GA \
  | 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: 6703e0abc852b956db9cddf0a2dd9d3035c6879b3304c3a938bcb29e3587e0a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c474b75c8109000e64ba6a69db5a7a727f0ac22bd898bb08fdeaabe014b7a2c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2015-05-11T14:40:29Z",
    "title_canon_sha256": "457bdf7d160d86eed22d7f9307bd766077a466e732451bce73b65be98efc970e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02642",
    "kind": "arxiv",
    "version": 1
  }
}