Pith Number

pith:R7UAAW3S

pith:2017:R7UAAW3SOA52UAAOYXEOJNHJSM

not attested not anchored not stored refs pending

How to specify Non-functional Requirements to support seamless modeling? A Study Design and Preliminary Results

Andreas Vogelsang, Daniel M\'endez Fern\'andez, Jonas Eckhardt

arxiv:1702.07643 v1 · 2017-02-24 · 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{R7UAAW3SOA52UAAOYXEOJNHJSM}

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	2026-05-18T00:50:02.651987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fe8005b72703baa000ec5c8e4b4e9930f295b303d072c6d2f10fc29720477e7

Aliases

arxiv: 1702.07643 · arxiv_version: 1702.07643v1 · doi: 10.48550/arxiv.1702.07643 · pith_short_12: R7UAAW3SOA52 · pith_short_16: R7UAAW3SOA52UAAO · pith_short_8: R7UAAW3S

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/R7UAAW3SOA52UAAOYXEOJNHJSM \
  | 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: 8fe8005b72703baa000ec5c8e4b4e9930f295b303d072c6d2f10fc29720477e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f91e9f8a36074e67907ff7eda536144bd0e94a23042a4d3fdf6448af9c89fcee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2017-02-24T16:09:18Z",
    "title_canon_sha256": "8945bab56a2c2905a41f989f19070c6c21592f3cb3f51867361674e4d4d6614d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07643",
    "kind": "arxiv",
    "version": 1
  }
}