Pith Number

pith:QZW6VSCM

pith:2019:QZW6VSCMLIGLEKC4VYTA2BCKMX

not attested not anchored not stored refs pending

Perpetual Assurances for Self-Adaptive Systems

Carlo Ghezzi, Danny Weyns (KU Leuven), DiverSe), Giordano Tamburrelli (VU), Javier C\'amara (CMU), Jean-Marc J\'ez\'equel (UNIV-RENNES, Lars Grunske, Marco Mori, Nelly Bencomo, Paola Inverardi (UNIVAQ), Radu Calinescu, Raffaela Mirandola, Sam Malek (UCI), Vincenzo Grassi

arxiv:1903.04771 v1 · 2019-03-12 · 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{QZW6VSCMLIGLEKC4VYTA2BCKMX}

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	2026-05-17T23:51:28.757869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

866deac84c5a0cb2285cae260d044a65c5f580b864906e30221daf5cdab12cc0

Aliases

arxiv: 1903.04771 · arxiv_version: 1903.04771v1 · doi: 10.48550/arxiv.1903.04771 · pith_short_12: QZW6VSCMLIGL · pith_short_16: QZW6VSCMLIGLEKC4 · pith_short_8: QZW6VSCM

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/QZW6VSCMLIGLEKC4VYTA2BCKMX \
  | 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: 866deac84c5a0cb2285cae260d044a65c5f580b864906e30221daf5cdab12cc0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f6956c742272c1f45d740bfe7f812a0b9381727c41280783741537ef088584b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-03-12T08:04:01Z",
    "title_canon_sha256": "275b5453caa55f91664e59fc86b71c5291c5adf4c173863e5fa8c4bf77cac948"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04771",
    "kind": "arxiv",
    "version": 1
  }
}