Pith Number

pith:FGE3SNZ7

pith:2013:FGE3SNZ7QIVBGY36L3U2DMGU2Q

not attested not anchored not stored refs pending

Interactive Realizability, Monads and Witness Extraction

Giovanni Birolo

arxiv:1304.4091 v1 · 2013-04-15 · 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{FGE3SNZ7QIVBGY36L3U2DMGU2Q}

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	2026-05-18T03:27:55.455035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2989b9373f822a13637e5ee9a1b0d4d41bd478ed243c7f35804ad4a660bdf9e2

Aliases

arxiv: 1304.4091 · arxiv_version: 1304.4091v1 · doi: 10.48550/arxiv.1304.4091 · pith_short_12: FGE3SNZ7QIVB · pith_short_16: FGE3SNZ7QIVBGY36 · pith_short_8: FGE3SNZ7

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/FGE3SNZ7QIVBGY36L3U2DMGU2Q \
  | 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: 2989b9373f822a13637e5ee9a1b0d4d41bd478ed243c7f35804ad4a660bdf9e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3283a1229b8783e66124987e57a6ad320ff9e27c60e01f47f9fa4492b7ee6cb9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2013-04-15T13:27:22Z",
    "title_canon_sha256": "b76e114061ea91eeb1010ba9730c1f75efec36ed819b479e4d56ed95178789c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4091",
    "kind": "arxiv",
    "version": 1
  }
}