Pith Number

pith:TZWPR6SW

pith:2011:TZWPR6SWGUE43EBSDYUA5C3XFB

not attested not anchored not stored refs pending

Conditional Elimination through Code Duplication

Joachim Breitner

arxiv:1106.3478 v1 · 2011-06-15 · 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{TZWPR6SWGUE43EBSDYUA5C3XFB}

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	2026-05-18T04:19:52.676912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e6cf8fa563509cd90321e280e8b772878a36886cfd54a291f91c8426015021f

Aliases

arxiv: 1106.3478 · arxiv_version: 1106.3478v1 · doi: 10.48550/arxiv.1106.3478 · pith_short_12: TZWPR6SWGUE4 · pith_short_16: TZWPR6SWGUE43EBS · pith_short_8: TZWPR6SW

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/TZWPR6SWGUE43EBSDYUA5C3XFB \
  | 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: 9e6cf8fa563509cd90321e280e8b772878a36886cfd54a291f91c8426015021f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edf9512f346c92c45aa51b5ba0a4e6f03b8de669ec3f184812d6b7a3fa971b35",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2011-06-15T08:27:04Z",
    "title_canon_sha256": "49f3d3c89fa4bf7d67a2a09b01b0e5e5356b0c43b32ccebb4a3c8f2fb614307b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.3478",
    "kind": "arxiv",
    "version": 1
  }
}