Pith Number

pith:SQYCZ2EH

pith:2015:SQYCZ2EH4I7ZP2TOL6JUMVQOUH

not attested not anchored not stored refs pending

Pragmatic Requirements for Adaptive Systems: a Goal-Driven Modelling and Analysis Approach

Daniel Mac\^edo Batista, Felipe Pontes Guimar\~aes, Genaina Nunes Rodrigues, Raian Ali

arxiv:1503.07132 v1 · 2015-03-24 · 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{SQYCZ2EH4I7ZP2TOL6JUMVQOUH}

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	2026-05-18T02:20:29.332500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94302ce887e23f97ea6e5f9346560ea1f9bed9b1d5537a4c3433a84100c9d23f

Aliases

arxiv: 1503.07132 · arxiv_version: 1503.07132v1 · doi: 10.48550/arxiv.1503.07132 · pith_short_12: SQYCZ2EH4I7Z · pith_short_16: SQYCZ2EH4I7ZP2TO · pith_short_8: SQYCZ2EH

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/SQYCZ2EH4I7ZP2TOL6JUMVQOUH \
  | 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: 94302ce887e23f97ea6e5f9346560ea1f9bed9b1d5537a4c3433a84100c9d23f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "949d92216b72555c9c1eb4f432940ecca013f63c1dc5b98b7b57b24ab8929cde",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2015-03-24T18:34:16Z",
    "title_canon_sha256": "00f1abe381545da2f6b79e7f4cb83085969a413368e19fc8ad59b4c2106760eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.07132",
    "kind": "arxiv",
    "version": 1
  }
}