Pith Number

pith:CQX3UI4G

pith:2018:CQX3UI4GHRKKIT75DZTDPMQJZW

not attested not anchored not stored refs pending

Robustness Testing of Intermediate Verifiers

Carlo A. Furia, Yu-Ting Chen

arxiv:1805.03296 v1 · 2018-05-08 · 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{CQX3UI4GHRKKIT75DZTDPMQJZW}

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	2026-05-18T00:16:20.545363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

142fba23863c54a44ffd1e6637b209cda9bbacf60b540b6624e61631f5deddb4

Aliases

arxiv: 1805.03296 · arxiv_version: 1805.03296v1 · doi: 10.48550/arxiv.1805.03296 · pith_short_12: CQX3UI4GHRKK · pith_short_16: CQX3UI4GHRKKIT75 · pith_short_8: CQX3UI4G

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/CQX3UI4GHRKKIT75DZTDPMQJZW \
  | 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: 142fba23863c54a44ffd1e6637b209cda9bbacf60b540b6624e61631f5deddb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6f8ae467ecf176d33c0418164fb06b18b98d261d27ea9a775d264cfdf2339eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2018-05-08T21:31:23Z",
    "title_canon_sha256": "cbc590e39e82e85890e325036f1c81b12936f00cd0ba0bfd20d74123efcf297f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03296",
    "kind": "arxiv",
    "version": 1
  }
}