Pith Number

pith:ZKPIIFEU

pith:2014:ZKPIIFEUTIWPBXA3YXWG5UNZ3H

not attested not anchored not stored refs pending

Efficient Hybrid Inline and Out-of-line Deduplication for Backup Storage

Chun Ho Ng, Min Xu, Patrick P. C. Lee, Yan Kit Li

arxiv:1405.5661 v1 · 2014-05-22 · cs.DC · 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{ZKPIIFEUTIWPBXA3YXWG5UNZ3H}

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	2026-05-18T02:51:15.988661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca9e8414949a2cf0dc1bc5ec6ed1b9d9e7467fcbfa715ecba9e2d14ffa45c0bc

Aliases

arxiv: 1405.5661 · arxiv_version: 1405.5661v1 · doi: 10.48550/arxiv.1405.5661 · pith_short_12: ZKPIIFEUTIWP · pith_short_16: ZKPIIFEUTIWPBXA3 · pith_short_8: ZKPIIFEU

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/ZKPIIFEUTIWPBXA3YXWG5UNZ3H \
  | 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: ca9e8414949a2cf0dc1bc5ec6ed1b9d9e7467fcbfa715ecba9e2d14ffa45c0bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82458d79d2df40f0155debd093c57358143b0ddfe8c21217dac55e21b5183653",
    "cross_cats_sorted": [
      "cs.DB"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2014-05-22T08:13:18Z",
    "title_canon_sha256": "9b7df2167d9f9f416c12b7603de043623ab3c9512bc53f9a05dd18048ddb83d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.5661",
    "kind": "arxiv",
    "version": 1
  }
}