Pith Number

pith:XYZT3OGT

pith:2023:XYZT3OGTXBYWIC6DVSDUNMBROL

not attested not anchored not stored refs pending

Denotational Semantics and a Fast Interpreter for jq

Michael F\"arber

arxiv:2302.10576 v1 · 2023-02-21 · cs.LO · 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{XYZT3OGTXBYWIC6DVSDUNMBROL}

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	2026-07-05T05:44:19.332079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be333db8d3b871640bc3ac8746b03172dad4ae05fc403a3d56c8e637a008e0d2

Aliases

arxiv: 2302.10576 · arxiv_version: 2302.10576v1 · doi: 10.48550/arxiv.2302.10576 · pith_short_12: XYZT3OGTXBYW · pith_short_16: XYZT3OGTXBYWIC6D · pith_short_8: XYZT3OGT

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/XYZT3OGTXBYWIC6DVSDUNMBROL \
  | 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: be333db8d3b871640bc3ac8746b03172dad4ae05fc403a3d56c8e637a008e0d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca1557fdc3e2824531669ede79f2811d293dc3acae13d03f999ab41b0d0ee846",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2023-02-21T10:13:20Z",
    "title_canon_sha256": "c13de005c07961fa6a5131b48b6cfdd0bcf9a923580bcccd9aeb6d207615f80d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.10576",
    "kind": "arxiv",
    "version": 1
  }
}