Pith Number

pith:6R5FC7DJ

pith:2010:6R5FC7DJ5NEF6QDBJBMJLMHROX

not attested not anchored not stored refs pending

Linear lambda Calculus with Explicit Substitutions as Proof-Search in Deep Inference

Luca Roversi

arxiv:1011.3668 v4 · 2010-11-16 · 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{6R5FC7DJ5NEF6QDBJBMJLMHROX}

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	2026-05-18T02:23:36.561372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f47a517c69eb485f4061485895b0f175d3b96c87ede9228c61f9a37bac434d15

Aliases

arxiv: 1011.3668 · arxiv_version: 1011.3668v4 · doi: 10.48550/arxiv.1011.3668 · pith_short_12: 6R5FC7DJ5NEF · pith_short_16: 6R5FC7DJ5NEF6QDB · pith_short_8: 6R5FC7DJ

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/6R5FC7DJ5NEF6QDBJBMJLMHROX \
  | 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: f47a517c69eb485f4061485895b0f175d3b96c87ede9228c61f9a37bac434d15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22e8b130ee59f92181a45f240d9c605f3c7b1a778ad7545db6a77217dee1d2f8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2010-11-16T12:13:16Z",
    "title_canon_sha256": "acb8cfe57a35fad51696e776446b92865c9f80c442c88dda16cf3759ce753aa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.3668",
    "kind": "arxiv",
    "version": 4
  }
}