Pith Number

pith:YZDQTMGN

pith:2018:YZDQTMGNOMKE7F5AHTUB3EF7M4

not attested not anchored not stored refs pending

Symbolic Computation via Program Transformation

Henrich Lauko, Ji\v{r}\'i Barnat, Petr Ro\v{c}kai

arxiv:1806.03959 v1 · 2018-05-31 · 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{YZDQTMGNOMKE7F5AHTUB3EF7M4}

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	2026-05-17T23:41:13.192810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c64709b0cd73144f97a03ce81d90bf670ab2ecea51aec1fc135c6cdba247f50d

Aliases

arxiv: 1806.03959 · arxiv_version: 1806.03959v1 · doi: 10.48550/arxiv.1806.03959 · pith_short_12: YZDQTMGNOMKE · pith_short_16: YZDQTMGNOMKE7F5A · pith_short_8: YZDQTMGN

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/YZDQTMGNOMKE7F5AHTUB3EF7M4 \
  | 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: c64709b0cd73144f97a03ce81d90bf670ab2ecea51aec1fc135c6cdba247f50d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d58fe625d84e2a19fed89db9fece087a05938ff64980502a3a0c0fb444b4c56",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2018-05-31T11:35:52Z",
    "title_canon_sha256": "aac6144487f86c40b549318239e8ff3276ba2f818449b19e1bc5fafc60edae3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.03959",
    "kind": "arxiv",
    "version": 1
  }
}