Pith Number

pith:MTDYT7ZM

pith:2013:MTDYT7ZM422UG6HGHK4X7NE4EU

not attested not anchored not stored refs pending

Proceedings First International Workshop on Trends in Functional Programming in Education

Marco T. Moraz\'an (Seton Hall University), Peter Achten (Radboud University Nijmegen)

arxiv:1301.4650 v1 · 2013-01-20 · cs.PL · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MTDYT7ZM422UG6HGHK4X7NE4EU}

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	2026-05-18T03:35:56.044271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64c789ff2ce6b54378e63ab97fb49c253e964de0f776c30e479dea91dc856756

Aliases

arxiv: 1301.4650 · arxiv_version: 1301.4650v1 · doi: 10.48550/arxiv.1301.4650 · pith_short_12: MTDYT7ZM422U · pith_short_16: MTDYT7ZM422UG6HG · pith_short_8: MTDYT7ZM

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/MTDYT7ZM422UG6HGHK4X7NE4EU \
  | 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: 64c789ff2ce6b54378e63ab97fb49c253e964de0f776c30e479dea91dc856756

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a666fa5244a746de66111bf67e00a137c7e7c77bdfc6624927ea9913ab1775e1",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2013-01-20T10:54:57Z",
    "title_canon_sha256": "a23d88be50adc9a77e6ccd3f8527e973e2b521096d9314db3682979115c7d91a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4650",
    "kind": "arxiv",
    "version": 1
  }
}