Pith Number

pith:UCPAUDL5

pith:2015:UCPAUDL53KYLKDQWUN6ONDDM5Z

not attested not anchored not stored refs pending

Crowd Access Path Optimization: Diversity Matters

Adish Singla, Andreas Krause, Anja Gruenheid, Besmira Nushi, Donald Kossmann, Erfan Zamanian

arxiv:1508.01951 v2 · 2015-08-08 · cs.LG · 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{UCPAUDL53KYLKDQWUN6ONDDM5Z}

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	2026-05-18T01:35:29.436366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a09e0a0d7ddab0b50e16a37ce68c6cee50298bbfa722c8e0e80070cc7f6ac61c

Aliases

arxiv: 1508.01951 · arxiv_version: 1508.01951v2 · doi: 10.48550/arxiv.1508.01951 · pith_short_12: UCPAUDL53KYL · pith_short_16: UCPAUDL53KYLKDQW · pith_short_8: UCPAUDL5

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/UCPAUDL53KYLKDQWUN6ONDDM5Z \
  | 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: a09e0a0d7ddab0b50e16a37ce68c6cee50298bbfa722c8e0e80070cc7f6ac61c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ba4d2ddff3dc4800e4438ab747f3ab89a145cb11e999abcdd5bd30ac7475e7e",
    "cross_cats_sorted": [
      "cs.DB"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-08-08T20:36:54Z",
    "title_canon_sha256": "10d1344b884ae8c3f54d3c3464582b76f9ac8db8c26493d5e665f82f8fa5a87f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.01951",
    "kind": "arxiv",
    "version": 2
  }
}