Pith Number

pith:POQBPFQD

pith:2016:POQBPFQDUDTLXALOOEMGWI2QIE

not attested not anchored not stored refs pending

Infinitary $\lambda$-Calculi from a Linear Perspective (Long Version)

Ugo Dal Lago

arxiv:1604.08248 v1 · 2016-04-27 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{POQBPFQDUDTLXALOOEMGWI2QIE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:16:04.483133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ba0179603a0e6bb816e71186b23504104f3ec616cee7fe5a7819cb46302502b

Aliases

arxiv: 1604.08248 · arxiv_version: 1604.08248v1 · doi: 10.48550/arxiv.1604.08248 · pith_short_12: POQBPFQDUDTL · pith_short_16: POQBPFQDUDTLXALO · pith_short_8: POQBPFQD

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/POQBPFQDUDTLXALOOEMGWI2QIE \
  | 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: 7ba0179603a0e6bb816e71186b23504104f3ec616cee7fe5a7819cb46302502b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb924a8e2cb4e1c1c8d675085a7563172d4da7319a17fa4c84897dafbbaabfdf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-04-27T21:19:45Z",
    "title_canon_sha256": "4e8e6588b707b35566e9753b1c5e293e2ab1e70e8421f8e69746515ab8dcf55e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.08248",
    "kind": "arxiv",
    "version": 1
  }
}