Pith Number

pith:AF3ER4DY

pith:2019:AF3ER4DYLR5TANZ42KYCKTNPPS

not attested not anchored not stored refs pending

Using binary decision diagrams for constraint handling in combinatorial interaction testing

Tatsuhiro Tsuchiya

arxiv:1907.01779 v1 · 2019-07-03 · 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{AF3ER4DYLR5TANZ42KYCKTNPPS}

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	2026-05-17T23:41:35.133389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

017648f0785c7b30373cd2b0254daf7c89c3efab066a37dfa72f3766cf04bf53

Aliases

arxiv: 1907.01779 · arxiv_version: 1907.01779v1 · doi: 10.48550/arxiv.1907.01779 · pith_short_12: AF3ER4DYLR5T · pith_short_16: AF3ER4DYLR5TANZ4 · pith_short_8: AF3ER4DY

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/AF3ER4DYLR5TANZ42KYCKTNPPS \
  | 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: 017648f0785c7b30373cd2b0254daf7c89c3efab066a37dfa72f3766cf04bf53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a9a1b05cbae08bfe02d9181f346cd5461343754a21d238aa0b24e668d81417b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-07-03T07:45:58Z",
    "title_canon_sha256": "d1157aae5f250ebda6d92c844bc609cf81adf993b9e771419571bcf8de4ed760"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.01779",
    "kind": "arxiv",
    "version": 1
  }
}