Pith Number

pith:ECFLXM3F

pith:2012:ECFLXM3FFJXDY6WAFZENRWTWUT

not attested not anchored not stored refs pending

Pattern matching in compilers

Ond\v{r}ej B\'ilka

arxiv:1210.3593 v1 · 2012-10-12 · cs.PL · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ECFLXM3FFJXDY6WAFZENRWTWUT}

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	2026-05-18T03:43:19.291198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

208abbb3652a6e3c7ac02e48d8da76a4c4dadd8cfb2ae107c61f5ce6f7920342

Aliases

arxiv: 1210.3593 · arxiv_version: 1210.3593v1 · doi: 10.48550/arxiv.1210.3593 · pith_short_12: ECFLXM3FFJXD · pith_short_16: ECFLXM3FFJXDY6WA · pith_short_8: ECFLXM3F

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/ECFLXM3FFJXDY6WAFZENRWTWUT \
  | 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: 208abbb3652a6e3c7ac02e48d8da76a4c4dadd8cfb2ae107c61f5ce6f7920342

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "001dcc81dc9e40cd42ffe561232acfe927e7dfb7f0a417db8742e3f7d592c04d",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2012-10-12T18:23:56Z",
    "title_canon_sha256": "b6dc50db947641c5534be6f203da71f1229c1d7d8616a731851394cb09d5a54c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.3593",
    "kind": "arxiv",
    "version": 1
  }
}