Pith Number

pith:PCRNSFEE

pith:2025:PCRNSFEEXU3AX6PGH3F2BE7HHH

not attested not anchored not stored refs pending

The Myth of Immutability: A Multivocal Review on Smart Contract Upgradeability

Bj\"orn {\TH}\'or J\'onsson, Ilham Qasse, Isra M. Ali, Mohammad Hamdaqa, Nafisa Ahmed

arxiv:2504.02719 v1 · 2025-04-03 · 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{PCRNSFEEXU3AX6PGH3F2BE7HHH}

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	2026-07-05T10:44:01.278749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78a2d91484bd360bf9e63ecba093e739eddb9fa9e1d573bf45cd387865da1096

Aliases

arxiv: 2504.02719 · arxiv_version: 2504.02719v1 · doi: 10.48550/arxiv.2504.02719 · pith_short_12: PCRNSFEEXU3A · pith_short_16: PCRNSFEEXU3AX6PG · pith_short_8: PCRNSFEE

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/PCRNSFEEXU3AX6PGH3F2BE7HHH \
  | 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: 78a2d91484bd360bf9e63ecba093e739eddb9fa9e1d573bf45cd387865da1096

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0355196f9fa4ebdd4aba4cfad3591260a14367e418f322a6aa73b5dbb1e1aed",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2025-04-03T16:02:46Z",
    "title_canon_sha256": "b444e765ac2f78e0d0ba3da9a909ca127425495e6d04b046b928bbaf788a3c04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.02719",
    "kind": "arxiv",
    "version": 1
  }
}