Pith Number

pith:MRWZIQY4

pith:2015:MRWZIQY42XXHQM7XGU4QFDSRW4

not attested not anchored not stored refs pending

Full abstraction for probabilistic PCF

Christine Tasson (PPS), Michele Pagani (PPS), Thomas Ehrhard (PPS)

arxiv:1511.01272 v1 · 2015-11-04 · 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{MRWZIQY42XXHQM7XGU4QFDSRW4}

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	2026-05-18T01:27:47.645909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

646d94431cd5ee7833f73539028e51b7286643236a89d38d74e22d09a47e66fc

Aliases

arxiv: 1511.01272 · arxiv_version: 1511.01272v1 · doi: 10.48550/arxiv.1511.01272 · pith_short_12: MRWZIQY42XXH · pith_short_16: MRWZIQY42XXHQM7X · pith_short_8: MRWZIQY4

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/MRWZIQY42XXHQM7XGU4QFDSRW4 \
  | 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: 646d94431cd5ee7833f73539028e51b7286643236a89d38d74e22d09a47e66fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fd396ec24ab8dea819dfdd28393308a0e7a215999f4d17908d897feb6bf8adc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-11-04T10:32:32Z",
    "title_canon_sha256": "baa4a830d2e8c47872ec42cee944617c0e4c007d8a382a74da7e0f89800f74e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01272",
    "kind": "arxiv",
    "version": 1
  }
}