Pith Number

pith:QOX33AQW

pith:2015:QOX33AQWRLK3WOC5GLEUKSAJMD

not attested not anchored not stored refs pending

CLAMShell: Speeding up Crowds for Low-latency Data Labeling

Daniel Haas, Eugene Wu, Jiannan Wang, Michael J. Franklin

arxiv:1509.05969 v1 · 2015-09-20 · cs.DB

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QOX33AQWRLK3WOC5GLEUKSAJMD}

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	2026-05-18T01:32:36.217960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83afbd82168ad5bb385d32c945480960cde6f46d346eb31108c169b276cb2970

Aliases

arxiv: 1509.05969 · arxiv_version: 1509.05969v1 · doi: 10.48550/arxiv.1509.05969 · pith_short_12: QOX33AQWRLK3 · pith_short_16: QOX33AQWRLK3WOC5 · pith_short_8: QOX33AQW

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/QOX33AQWRLK3WOC5GLEUKSAJMD \
  | 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: 83afbd82168ad5bb385d32c945480960cde6f46d346eb31108c169b276cb2970

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41b046ee93b55070b3cfe12b8d528cda85272b6e717ee2d29a5373690db19826",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2015-09-20T05:47:32Z",
    "title_canon_sha256": "3ee8ac735b8b6ba4988744ef2190b9fd3627aff9095e63e83e85b93cd42a8df2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05969",
    "kind": "arxiv",
    "version": 1
  }
}