Pith Number

pith:IMMPWNL3

pith:2012:IMMPWNL3V4JQJPOSM3VRWPKBBZ

not attested not anchored not stored refs pending

A Comprehensive Study of Commonly Practiced Heavy & Light Weight Software Methodologies

Asif Irshad Khan, M. Rizwan Jameel Qureshi, Usman Ali Khan

arxiv:1202.2514 v1 · 2012-02-12 · 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{IMMPWNL3V4JQJPOSM3VRWPKBBZ}

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	2026-05-18T04:02:26.338299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4318fb357baf1304bdd266eb1b3d410e7d8735740c7187ccab769b7c6e62d0fd

Aliases

arxiv: 1202.2514 · arxiv_version: 1202.2514v1 · doi: 10.48550/arxiv.1202.2514 · pith_short_12: IMMPWNL3V4JQ · pith_short_16: IMMPWNL3V4JQJPOS · pith_short_8: IMMPWNL3

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/IMMPWNL3V4JQJPOSM3VRWPKBBZ \
  | 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: 4318fb357baf1304bdd266eb1b3d410e7d8735740c7187ccab769b7c6e62d0fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef93a777254788c6e5ba335359d8e316c5d1c74b50a2d4cc8666a42657729df3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2012-02-12T10:29:07Z",
    "title_canon_sha256": "e665ff2bf05b413b24d87cc2cd2f8d0fffc2b4fc0d8fe7f349cd7155ef060704"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2514",
    "kind": "arxiv",
    "version": 1
  }
}