Pith Number

pith:QZVKFDLF

pith:1995:QZVKFDLFHVTJDVYDEH5E524WCK

not attested not anchored not stored refs pending

Off-line Optimization for Earley-style HPSG Processing

Dale Gerdemann, Guido Minnen, Thilo Goetz (SFB340, University of Tuebingen)

arxiv:cmp-lg/9502005 v1 · 1995-02-07 · cmp-lg · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QZVKFDLFHVTJDVYDEH5E524WCK}

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	2026-05-18T01:07:24.234221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

866aa28d653d6691d70321fa4eeb9612b3c7268ffd6643dda51e74c5ba91d4c7

Aliases

arxiv: cmp-lg/9502005 · arxiv_version: cmp-lg/9502005v1 · doi: 10.48550/arxiv.cmp-lg/9502005 · pith_short_12: QZVKFDLFHVTJ · pith_short_16: QZVKFDLFHVTJDVYD · pith_short_8: QZVKFDLF

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/QZVKFDLFHVTJDVYDEH5E524WCK \
  | 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: 866aa28d653d6691d70321fa4eeb9612b3c7268ffd6643dda51e74c5ba91d4c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbceca9bbe85e3e6335697c21f00239cd5a756eb4707cb9d09ced5291e8a2741",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "",
    "primary_cat": "cmp-lg",
    "submitted_at": "1995-02-07T11:22:16Z",
    "title_canon_sha256": "a03b3e8b30e6b96d87c9e02a7de1860b5e183b7928918bd74c9dc4cac3c6dbe4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cmp-lg/9502005",
    "kind": "arxiv",
    "version": 1
  }
}