Pith Number

pith:AKRVSKHL

pith:2011:AKRVSKHLB5L6D7OXUZX4QOFEOM

not attested not anchored not stored refs pending

Abstracting Abstract Machines: A Systematic Approach to Higher-Order Program Analysis

David Van Horn, Matthew Might

arxiv:1105.1743 v1 · 2011-05-09 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AKRVSKHLB5L6D7OXUZX4QOFEOM}

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	2026-05-18T04:22:32.570163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02a35928eb0f57e1fdd7a66fc838a4731ec1e11faf8949f85f38a2e1e6d9d13c

Aliases

arxiv: 1105.1743 · arxiv_version: 1105.1743v1 · doi: 10.48550/arxiv.1105.1743 · pith_short_12: AKRVSKHLB5L6 · pith_short_16: AKRVSKHLB5L6D7OX · pith_short_8: AKRVSKHL

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/AKRVSKHLB5L6D7OXUZX4QOFEOM \
  | 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: 02a35928eb0f57e1fdd7a66fc838a4731ec1e11faf8949f85f38a2e1e6d9d13c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4359b0e5074cfc9e01ce88f18181e7886df9de96ea1201d6cb19e9224d322b7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2011-05-09T17:57:26Z",
    "title_canon_sha256": "b31f534ba00ecce6dc46f217daa511b1f36e95c8405527b9a48c5a4ad6dd89d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.1743",
    "kind": "arxiv",
    "version": 1
  }
}