Pith Number

pith:IPS6U3VB

pith:2012:IPS6U3VBYNARYHMMEOIQY2WGX6

not attested not anchored not stored refs pending

Empirical Evaluation of the Proposed eXScrum Model: Results of a Case Study

M. Rizwan Jameel Qureshi

arxiv:1202.2513 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{IPS6U3VBYNARYHMMEOIQY2WGX6}

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	2026-05-18T04:02:26.344451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43e5ea6ea1c3411c1d8c23910c6ac6bfa733ba2bd6f667a2fabf747bd08d4c32

Aliases

arxiv: 1202.2513 · arxiv_version: 1202.2513v1 · doi: 10.48550/arxiv.1202.2513 · pith_short_12: IPS6U3VBYNAR · pith_short_16: IPS6U3VBYNARYHMM · pith_short_8: IPS6U3VB

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/IPS6U3VBYNARYHMMEOIQY2WGX6 \
  | 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: 43e5ea6ea1c3411c1d8c23910c6ac6bfa733ba2bd6f667a2fabf747bd08d4c32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1d05feaf834ff40199274f8fee17bc9c3f4cb769da9c49cf0c30f98b0ead02d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2012-02-12T10:24:43Z",
    "title_canon_sha256": "913a4381d54536ab94e8a54fa0826c7faad1be1ec7ce9fb13b7009194d8ca0e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2513",
    "kind": "arxiv",
    "version": 1
  }
}