Pith Number

pith:M3RF6PXH

pith:2013:M3RF6PXHNIQN3UN3YXM4DN6JTR

not attested not anchored not stored refs pending

Abstraction Level Taxonomy of Programming Language Frameworks

Dr. Brijender Kahanwal

arxiv:1311.3293 v1 · 2013-11-13 · 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{M3RF6PXHNIQN3UN3YXM4DN6JTR}

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	2026-05-18T03:07:11.858050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66e25f3ee76a20ddd1bbc5d9c1b7c99c40aa29d8df28847fee76d18f2efd552a

Aliases

arxiv: 1311.3293 · arxiv_version: 1311.3293v1 · doi: 10.48550/arxiv.1311.3293 · pith_short_12: M3RF6PXHNIQN · pith_short_16: M3RF6PXHNIQN3UN3 · pith_short_8: M3RF6PXH

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/M3RF6PXHNIQN3UN3YXM4DN6JTR \
  | 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: 66e25f3ee76a20ddd1bbc5d9c1b7c99c40aa29d8df28847fee76d18f2efd552a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cb69e5b868c49394b302870aa543fecd47173c949d589e00a52eaf1e4df79f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2013-11-13T10:21:31Z",
    "title_canon_sha256": "afc9e2162779643ea5da6da516a560840e77c9165a1463a684c4f862d699800f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.3293",
    "kind": "arxiv",
    "version": 1
  }
}