Pith Number

pith:L5AQZRLR

pith:2012:L5AQZRLRESSKGI2XLH7TTGFBKI

not attested not anchored not stored refs pending

Denotation of syntax and metaprogramming in contextual modal type theory (CMTT)

Aleksandar Nanevski, Murdoch Gabbay

arxiv:1202.0904 v1 · 2012-02-04 · cs.LO · math.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{L5AQZRLRESSKGI2XLH7TTGFBKI}

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	2026-05-18T03:24:54.384851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f410cc57124a4a3235759ff3998a15232b2557ea23b0b32d0c4ff6459240435

Aliases

arxiv: 1202.0904 · arxiv_version: 1202.0904v1 · doi: 10.48550/arxiv.1202.0904 · pith_short_12: L5AQZRLRESSK · pith_short_16: L5AQZRLRESSKGI2X · pith_short_8: L5AQZRLR

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/L5AQZRLRESSKGI2XLH7TTGFBKI \
  | 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: 5f410cc57124a4a3235759ff3998a15232b2557ea23b0b32d0c4ff6459240435

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c08887be77f2860e3d9658bc6b401878d0cf5820ef7865ffa0a58c87d94d5d1",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2012-02-04T16:18:04Z",
    "title_canon_sha256": "a189be9444b575d9e76bb8f76295b3b411df5a621e6524741f46baad134e7933"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0904",
    "kind": "arxiv",
    "version": 1
  }
}