Pith Number

pith:NVRHQ6E7

pith:2021:NVRHQ6E7U2HZSOVDAVUIQY44XQ

not attested not anchored not stored refs pending

Architectural Challenges in Migrating Plan-driven Projects to Agile

Roopak Sinha, Stephen MacDonell, Vinod Menon

arxiv:2103.00371 v1 · 2021-02-28 · 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{NVRHQ6E7U2HZSOVDAVUIQY44XQ}

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	2026-07-05T02:19:05.109379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d6278789fa68f993aa3056888639cbc0608aad3b94eb75bb9ab5e790f80fbe5

Aliases

arxiv: 2103.00371 · arxiv_version: 2103.00371v1 · doi: 10.48550/arxiv.2103.00371 · pith_short_12: NVRHQ6E7U2HZ · pith_short_16: NVRHQ6E7U2HZSOVD · pith_short_8: NVRHQ6E7

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/NVRHQ6E7U2HZSOVDAVUIQY44XQ \
  | 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: 6d6278789fa68f993aa3056888639cbc0608aad3b94eb75bb9ab5e790f80fbe5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b18b846d03fc888fc3ba361d53afb7ddb6f8872c13aae8b8a19d6e50da565a99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2021-02-28T01:25:11Z",
    "title_canon_sha256": "e33255de6e6eccc2da9651488c0bd68442c42c1f11b6f89d11514cb3d0e6625e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.00371",
    "kind": "arxiv",
    "version": 1
  }
}