Pith Number

pith:3BFSQD6T

pith:2019:3BFSQD6TB477FY2FLFEKZZB6T4

not attested not anchored not stored refs pending

Existential Ontology and Thinging Modeling in Software Engineering

Sabah Al-Fedaghi

arxiv:1903.10822 v1 · 2019-03-26 · 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{3BFSQD6TB477FY2FLFEKZZB6T4}

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	2026-05-17T23:50:17.644208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d84b280fd30f3ff2e3455948ace43e9f34b8474f3559c0aea19eb16655f4b406

Aliases

arxiv: 1903.10822 · arxiv_version: 1903.10822v1 · doi: 10.48550/arxiv.1903.10822 · pith_short_12: 3BFSQD6TB477 · pith_short_16: 3BFSQD6TB477FY2F · pith_short_8: 3BFSQD6T

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/3BFSQD6TB477FY2FLFEKZZB6T4 \
  | 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: d84b280fd30f3ff2e3455948ace43e9f34b8474f3559c0aea19eb16655f4b406

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3387c8c85359b4921ea71aab2ea592d862c1357cf5561d655ce11a706c95de7a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-03-26T12:08:35Z",
    "title_canon_sha256": "ddc764a1799d94e7eb72df78410fdaa9fcf0fa5e6e7b2beb569bb562bb82ba14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.10822",
    "kind": "arxiv",
    "version": 1
  }
}