Pith Number

pith:Q55UAAPO

pith:2010:Q55UAAPOMDXUDLRGQU5OGU4DA5

not attested not anchored not stored refs pending

LR(1) Parser Generation System: LR(1) Error Recovery, Oracles, and Generic Tokens

Arthur Sorkin, Peter Donovan

arxiv:1010.1234 v2 · 2010-10-06 · 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{Q55UAAPOMDXUDLRGQU5OGU4DA5}

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	2026-05-18T02:23:46.437179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

877b4001ee60ef41ae26853ae353830759985bc17b4e05dcc8b84c605047e65c

Aliases

arxiv: 1010.1234 · arxiv_version: 1010.1234v2 · doi: 10.48550/arxiv.1010.1234 · pith_short_12: Q55UAAPOMDXU · pith_short_16: Q55UAAPOMDXUDLRG · pith_short_8: Q55UAAPO

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/Q55UAAPOMDXUDLRGQU5OGU4DA5 \
  | 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: 877b4001ee60ef41ae26853ae353830759985bc17b4e05dcc8b84c605047e65c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86ac231b6fb57a975581c34b437f5b25bceea3bac857902bb6bd06323f226dcd",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2010-10-06T19:13:38Z",
    "title_canon_sha256": "1f85d88de2a3049d3d5991cee689791942cad5bc4209c000d012ea4bdaf38a72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.1234",
    "kind": "arxiv",
    "version": 2
  }
}