Pith Number

pith:XBBKGMEY

pith:2013:XBBKGMEYIZQ3KAHMKPLDADSKQB

not attested not anchored not stored refs pending

Translating Specifications in a Dependently Typed Lambda Calculus into a Predicate Logic Form

Gopalan Nadathur, Mary Southern

arxiv:1310.8568 v1 · 2013-10-31 · 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{XBBKGMEYIZQ3KAHMKPLDADSKQB}

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	2026-05-18T03:08:16.627112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b842a330984661b500ec53d6300e4a804342921a604169c9ca6378741dfef958

Aliases

arxiv: 1310.8568 · arxiv_version: 1310.8568v1 · doi: 10.48550/arxiv.1310.8568 · pith_short_12: XBBKGMEYIZQ3 · pith_short_16: XBBKGMEYIZQ3KAHM · pith_short_8: XBBKGMEY

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/XBBKGMEYIZQ3KAHMKPLDADSKQB \
  | 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: b842a330984661b500ec53d6300e4a804342921a604169c9ca6378741dfef958

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f199af80bf2aa2400007429bfd5bcb8b235f7b96f58d7898e00cabb1d4e20cda",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2013-10-31T16:10:52Z",
    "title_canon_sha256": "ffbddecd353d9730328a3854fe9ff0ca1a572eea93975224b3e1d488a5cfe3a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.8568",
    "kind": "arxiv",
    "version": 1
  }
}