Pith Number

pith:Z4MXKZL7

pith:2021:Z4MXKZL75WFQLMDN2EIB7ALVV7

not attested not anchored not stored refs pending

NCQ: Code reuse support for node.js developers

Brittany Reid, Christoph Treude, Marcelo d`Amorim, Markus Wagner

arxiv:2101.00756 v3 · 2021-01-04 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z4MXKZL75WFQLMDN2EIB7ALVV7}

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	2026-07-05T05:29:23.993711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf1975657fed8b05b06dd1101f8175aff20053a7bb8295e9f8995ab6f6109066

Aliases

arxiv: 2101.00756 · arxiv_version: 2101.00756v3 · doi: 10.48550/arxiv.2101.00756 · pith_short_12: Z4MXKZL75WFQ · pith_short_16: Z4MXKZL75WFQLMDN · pith_short_8: Z4MXKZL7

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/Z4MXKZL75WFQLMDN2EIB7ALVV7 \
  | 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: cf1975657fed8b05b06dd1101f8175aff20053a7bb8295e9f8995ab6f6109066

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "772ee8096c5b56159fe0a01cd8dc823ea53be4fc44f894d2262dcedb4fc1a24b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2021-01-04T03:54:02Z",
    "title_canon_sha256": "b1d73b8a101c48f21d9e470088cebc9abfb1f91b4d244551565847690a76f7dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.00756",
    "kind": "arxiv",
    "version": 3
  }
}