Pith Number

pith:V6ZUHWIA

pith:2017:V6ZUHWIA7YRQFHYDVS7U6VGPUS

not attested not anchored not stored refs pending

Keyword-Based Delegable Proofs of Storage

Binanda Sengupta, Sushmita Ruj

arxiv:1712.04417 v8 · 2017-12-12 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V6ZUHWIA7YRQFHYDVS7U6VGPUS}

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	2026-05-18T00:04:59.911966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afb343d900fe23029f03acbf4f54cfa485f0c1aa5dff268719038643e8905829

Aliases

arxiv: 1712.04417 · arxiv_version: 1712.04417v8 · doi: 10.48550/arxiv.1712.04417 · pith_short_12: V6ZUHWIA7YRQ · pith_short_16: V6ZUHWIA7YRQFHYD · pith_short_8: V6ZUHWIA

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/V6ZUHWIA7YRQFHYDVS7U6VGPUS \
  | 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: afb343d900fe23029f03acbf4f54cfa485f0c1aa5dff268719038643e8905829

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "685e11db75d0ecc581a3205cbb6e5b5379b5c1d8e770651f4b471603b52bcbda",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2017-12-12T18:18:55Z",
    "title_canon_sha256": "6b6644e80a7168148756f6019e21067ee92cd88958fc93b332a2972c23bde3da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.04417",
    "kind": "arxiv",
    "version": 8
  }
}