Pith Number

pith:OD3IOPZH

pith:2010:OD3IOPZHEBSB43ERXBXRC2KGHG

not attested not anchored not stored refs pending

Abstracting Abstract Machines

David Van Horn, Matthew Might

arxiv:1007.4446 v2 · 2010-07-26 · 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{OD3IOPZHEBSB43ERXBXRC2KGHG}

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	2026-05-18T04:41:14.999926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70f6873f2720641e6c91b86f1169463994812e5b04d9d3053de8f781f5ab29b8

Aliases

arxiv: 1007.4446 · arxiv_version: 1007.4446v2 · doi: 10.48550/arxiv.1007.4446 · pith_short_12: OD3IOPZHEBSB · pith_short_16: OD3IOPZHEBSB43ER · pith_short_8: OD3IOPZH

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/OD3IOPZHEBSB43ERXBXRC2KGHG \
  | 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: 70f6873f2720641e6c91b86f1169463994812e5b04d9d3053de8f781f5ab29b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e8cc90d072835bfb8f23602a2be73907bcee786b4992a7f9765adff07025fb2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2010-07-26T13:05:10Z",
    "title_canon_sha256": "2a525dfb9d0065957829b415fc76bbd25b68fe3e5e850535d141248304426c33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.4446",
    "kind": "arxiv",
    "version": 2
  }
}