Pith Number

pith:SHETYRDW

pith:2019:SHETYRDWUAI2OU2KD7SLKJX3SR

not attested not anchored not stored refs pending

Are My Invariants Valid? A Learning Approach

Mark Marron, Oleksandr Polozov, Premkumar T. Devanbu, Vincent J. Hellendoorn

arxiv:1903.06089 v2 · 2019-03-14 · 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{SHETYRDWUAI2OU2KD7SLKJX3SR}

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	2026-05-17T23:51:09.222976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91c93c4476a011a7534a1fe4b526fb9456fa9fb72a0b5773912f461ef3b3fb21

Aliases

arxiv: 1903.06089 · arxiv_version: 1903.06089v2 · doi: 10.48550/arxiv.1903.06089 · pith_short_12: SHETYRDWUAI2 · pith_short_16: SHETYRDWUAI2OU2K · pith_short_8: SHETYRDW

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/SHETYRDWUAI2OU2KD7SLKJX3SR \
  | 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: 91c93c4476a011a7534a1fe4b526fb9456fa9fb72a0b5773912f461ef3b3fb21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20aa782fa2a529f941b040d0b0ba1e4f7d4ec06efd71b7421398958597e6e03a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-03-14T15:48:13Z",
    "title_canon_sha256": "f529b52a9ee925e585d164b6ba96f830b4c8815137c01a9ff46498ffee9818f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.06089",
    "kind": "arxiv",
    "version": 2
  }
}