Pith Number

pith:LLXR3GJF

pith:2019:LLXR3GJFBR24FRB4KPPLDUO76N

not attested not anchored not stored refs pending

Dependent Pearl: Normalization by realizability

Gabriel Scherer, Lionel Rieg, Pierre-\'Evariste Dagand

arxiv:1908.09123 v2 · 2019-08-24 · cs.PL · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LLXR3GJFBR24FRB4KPPLDUO76N}

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	2026-07-05T01:22:14.422952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5aef1d99250c75c2c43c53deb1d1dff35e20540b37255bc9711c6be23a532dcc

Aliases

arxiv: 1908.09123 · arxiv_version: 1908.09123v2 · doi: 10.48550/arxiv.1908.09123 · pith_short_12: LLXR3GJFBR24 · pith_short_16: LLXR3GJFBR24FRB4 · pith_short_8: LLXR3GJF

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/LLXR3GJFBR24FRB4KPPLDUO76N \
  | 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: 5aef1d99250c75c2c43c53deb1d1dff35e20540b37255bc9711c6be23a532dcc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "714a81a13da50ef9806e5249b3e2e0878dd477f776bfed8cc79c7d58a7fe1a0b",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2019-08-24T10:53:27Z",
    "title_canon_sha256": "57a9743baedffc281599cd1ac196995918fe919f4d1d286f11c0c75c5c8ee4dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09123",
    "kind": "arxiv",
    "version": 2
  }
}