Pith Number

pith:PWDDWWR7

pith:2011:PWDDWWR7CPNBTRNNDUNR323LVU

not attested not anchored not stored refs pending

Interactive Learning Based Realizability and 1-Backtracking Games

Federico Aschieri

arxiv:1101.5441 v1 · 2011-01-28 · 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{PWDDWWR7CPNBTRNNDUNR323LVU}

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	2026-05-18T04:30:34.996573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d863b5a3f13da19c5ad1d1b1deb6bad37b8f3d307f5af1ef748334cbc6e038b

Aliases

arxiv: 1101.5441 · arxiv_version: 1101.5441v1 · doi: 10.48550/arxiv.1101.5441 · pith_short_12: PWDDWWR7CPNB · pith_short_16: PWDDWWR7CPNBTRNN · pith_short_8: PWDDWWR7

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/PWDDWWR7CPNBTRNNDUNR323LVU \
  | 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: 7d863b5a3f13da19c5ad1d1b1deb6bad37b8f3d307f5af1ef748334cbc6e038b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "728304ea26f1725086c06bc7eb41eff28867b694024679f9417ae32c58fd4ae7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2011-01-28T04:25:25Z",
    "title_canon_sha256": "6fd46f5d656ca4a5b5e3d86ef4d36b9704aa9f47c894764691196dede46f9701"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.5441",
    "kind": "arxiv",
    "version": 1
  }
}