Pith Number

pith:FW6LNH4Q

pith:2013:FW6LNH4QI7KT4CAY6TCICSNWWH

not attested not anchored not stored refs pending

A Web-based modeling tool for the SEMAT Essence theory of Software Engineering

Daniel Graziotin, Pekka Abrahamsson (Free University of Bozen-Bolzano)

arxiv:1307.2075 v2 · 2013-07-08 · cs.SE

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FW6LNH4QI7KT4CAY6TCICSNWWH}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:14:19.132858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2dbcb69f9047d53e0818f4c48149b6b1f6d35002cfc1bb4786f654acd3591e3b

Aliases

arxiv: 1307.2075 · arxiv_version: 1307.2075v2 · doi: 10.48550/arxiv.1307.2075 · pith_short_12: FW6LNH4QI7KT · pith_short_16: FW6LNH4QI7KT4CAY · pith_short_8: FW6LNH4Q

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/FW6LNH4QI7KT4CAY6TCICSNWWH \
  | 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: 2dbcb69f9047d53e0818f4c48149b6b1f6d35002cfc1bb4786f654acd3591e3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebdffe943e87434efaedd4397d4f0dd795de4d0d811931ce7e24a13223a97c50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2013-07-08T13:00:36Z",
    "title_canon_sha256": "5672745c7aa5092cfa0c891676f42aa82cecf8126fc35c6f0a6076c880b033ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.2075",
    "kind": "arxiv",
    "version": 2
  }
}