Pith Number

pith:YWD6JKWP

pith:2012:YWD6JKWPVLMC7IRDNM637WNCB5

not attested not anchored not stored refs pending

Introspective Pushdown Analysis of Higher-Order Programs

Christopher Earl, David Van Horn, Ilya Sergey, Matthew Might

arxiv:1207.1813 v1 · 2012-07-07 · 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{YWD6JKWPVLMC7IRDNM637WNCB5}

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	2026-05-18T03:51:34.640636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c587e4aacfaad82fa2236b3dbfd9a20f777cdc8febd8b2dd31532a66be764c67

Aliases

arxiv: 1207.1813 · arxiv_version: 1207.1813v1 · doi: 10.48550/arxiv.1207.1813 · pith_short_12: YWD6JKWPVLMC · pith_short_16: YWD6JKWPVLMC7IRD · pith_short_8: YWD6JKWP

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/YWD6JKWPVLMC7IRDNM637WNCB5 \
  | 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: c587e4aacfaad82fa2236b3dbfd9a20f777cdc8febd8b2dd31532a66be764c67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea967971e7f124019bba3b9d46b0391b4f76d19f2ee723e5cf2b5329f7b19a06",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2012-07-07T16:56:04Z",
    "title_canon_sha256": "a79242352c3b9d52406b79155bbd8834a026eea96211c2461e04d578c7408c57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1813",
    "kind": "arxiv",
    "version": 1
  }
}