Pith Number

pith:QLNMUYVK

pith:2012:QLNMUYVKM67K7IO6D6WWWWMRCM

not attested not anchored not stored refs pending

A lightweight forum-based distributed requirement elicitation process for open source community

Dong Sun, Han Lai, Jia Liu, Rong Peng

arxiv:1210.3110 v1 · 2012-10-11 · cs.SE · 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{QLNMUYVKM67K7IO6D6WWWWMRCM}

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	2026-05-18T03:43:29.061523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82daca62aa67beafa1de1fad6b5991130bcd2574cf95a6471822f20622b3b79f

Aliases

arxiv: 1210.3110 · arxiv_version: 1210.3110v1 · doi: 10.48550/arxiv.1210.3110 · pith_short_12: QLNMUYVKM67K · pith_short_16: QLNMUYVKM67K7IO6 · pith_short_8: QLNMUYVK

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/QLNMUYVKM67K7IO6D6WWWWMRCM \
  | 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: 82daca62aa67beafa1de1fad6b5991130bcd2574cf95a6471822f20622b3b79f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b072ecdde7189d55dc14e7478d6a95b56fc5ef347cf7b39965935b1cbdf19a3",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2012-10-11T02:49:05Z",
    "title_canon_sha256": "736ebfd1f298dbeb66ab0dc44b84b2f32141ad12862930cfbfe67fe2be13dbc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.3110",
    "kind": "arxiv",
    "version": 1
  }
}