Pith Number

pith:5EENUFCD

pith:2018:5EENUFCD4DPJZGFHGVAZO47Y35

not attested not anchored not stored refs pending

Teaching Requirements Engineering Concepts using Case-Based Learning

Ashish Sureka, Deepti Ameta, Paramvir Singh, Saurabh Tiwari

arxiv:1804.01770 v1 · 2018-04-05 · 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{5EENUFCD4DPJZGFHGVAZO47Y35}

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	2026-05-18T00:19:10.033471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e908da1443e0de9c98a735419773f8df540bf8d9ba37ee508429e8fd773ee0f4

Aliases

arxiv: 1804.01770 · arxiv_version: 1804.01770v1 · doi: 10.48550/arxiv.1804.01770 · pith_short_12: 5EENUFCD4DPJ · pith_short_16: 5EENUFCD4DPJZGFH · pith_short_8: 5EENUFCD

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/5EENUFCD4DPJZGFHGVAZO47Y35 \
  | 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: e908da1443e0de9c98a735419773f8df540bf8d9ba37ee508429e8fd773ee0f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e501131db07d631532366027660e755e60f681d26ca383edd34ffd15bc313c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2018-04-05T10:41:40Z",
    "title_canon_sha256": "5ce8855e8894b22132a591d3fb74dc1e7ed7fe302f602cc193706db4252561f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.01770",
    "kind": "arxiv",
    "version": 1
  }
}