Pith Number

pith:6QXIB2TA

pith:2011:6QXIB2TABOSH4JGRMKRFIQS4EH

not attested not anchored not stored refs pending

Logical Step-Indexed Logical Relations

Amal Ahmed (Indiana University), Derek Dreyer (MPI-SWS), Lars Birkedal (IT University of Copenhagen)

arxiv:1103.0510 v2 · 2011-03-02 · cs.PL · 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{6QXIB2TABOSH4JGRMKRFIQS4EH}

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	2026-05-18T01:37:39.610758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f42e80ea600ba47e24d162a254425c21e18b16ce093bdf3c9a7b07f5ac1ff138

Aliases

arxiv: 1103.0510 · arxiv_version: 1103.0510v2 · doi: 10.48550/arxiv.1103.0510 · pith_short_12: 6QXIB2TABOSH · pith_short_16: 6QXIB2TABOSH4JGR · pith_short_8: 6QXIB2TA

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/6QXIB2TABOSH4JGRMKRFIQS4EH \
  | 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: f42e80ea600ba47e24d162a254425c21e18b16ce093bdf3c9a7b07f5ac1ff138

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00e71030e75d6c5b6fcff11b2cef8fcca1df36a80c0ad24357a7874e81dfa97a",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2011-03-02T18:21:59Z",
    "title_canon_sha256": "01e2e1f147535d503749883ff5013ff8d6c0c15b4c6de7ceac45ac1033571a05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.0510",
    "kind": "arxiv",
    "version": 2
  }
}