Pith Number

pith:TDCYMZAP

pith:2021:TDCYMZAPKVCJSZGDSMPYTWSG2D

not attested not anchored not stored refs pending

Rcall: Calling R from Matlab

Clemens Kreutz, Janine Egert

arxiv:2106.08143 v1 · 2021-06-15 · 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{TDCYMZAPKVCJSZGDSMPYTWSG2D}

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	2026-07-05T02:49:38.002291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98c586640f55449964c3931f89da46d0fc1154617a7d706fc6256aa369531d44

Aliases

arxiv: 2106.08143 · arxiv_version: 2106.08143v1 · doi: 10.48550/arxiv.2106.08143 · pith_short_12: TDCYMZAPKVCJ · pith_short_16: TDCYMZAPKVCJSZGD · pith_short_8: TDCYMZAP

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/TDCYMZAPKVCJSZGDSMPYTWSG2D \
  | 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: 98c586640f55449964c3931f89da46d0fc1154617a7d706fc6256aa369531d44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fef2b2f7af45c9989d35198dd2551260d36a198d1a9bce1dda391632e3816290",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2021-06-15T13:47:23Z",
    "title_canon_sha256": "c7ef9c8d394ff6df92e523cd67c84c2d22198e585e4907bd6b5bbb16c057e5d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.08143",
    "kind": "arxiv",
    "version": 1
  }
}