Pith Number

pith:XDL3KLXR

pith:2020:XDL3KLXRSY4ZXND6IEHYDL7T42

not attested not anchored not stored refs pending

RCM: Requirement Capturing Model for Automated Requirements Formalisation

Amani Ibrahim, Aya Zaki-Ismail, John Grundy, Mohamed Abdelrazek, Mohamed Osama

arxiv:2009.14683 v1 · 2020-09-30 · 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{XDL3KLXRSY4ZXND6IEHYDL7T42}

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	2026-07-05T01:39:21.966597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8d7b52ef196399bb47e410f81aff3e6a9816ae1c3a80a2132f6c127a44395d8

Aliases

arxiv: 2009.14683 · arxiv_version: 2009.14683v1 · doi: 10.48550/arxiv.2009.14683 · pith_short_12: XDL3KLXRSY4Z · pith_short_16: XDL3KLXRSY4ZXND6 · pith_short_8: XDL3KLXR

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/XDL3KLXRSY4ZXND6IEHYDL7T42 \
  | 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: b8d7b52ef196399bb47e410f81aff3e6a9816ae1c3a80a2132f6c127a44395d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c957bb55918f438dff0a6b30f1c0f6e2af4a7d82144249ace8d2777f2aef56c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2020-09-30T13:59:59Z",
    "title_canon_sha256": "51fbb22d4796fcbc02fa05b73ae25737522b51df9ca2e842f899c8a2b7372993"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.14683",
    "kind": "arxiv",
    "version": 1
  }
}