Pith Number

pith:X7F2I2XG

pith:2017:X7F2I2XGN3UOSOM7KEB3A7X2AO

not attested not anchored not stored refs pending

Dynamic Provable Data Possession Protocols with Public Verifiability and Data Privacy

Clementine Gritti, Rongmao Chen, Thomas Plantard, Willy Susilo

arxiv:1709.08434 v2 · 2017-09-25 · 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{X7F2I2XGN3UOSOM7KEB3A7X2AO}

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	2026-05-18T00:34:22.173847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfcba46ae66ee8e9399f5103b07efa03b1056788e4399820a11a4f95424e2e4b

Aliases

arxiv: 1709.08434 · arxiv_version: 1709.08434v2 · doi: 10.48550/arxiv.1709.08434 · pith_short_12: X7F2I2XGN3UO · pith_short_16: X7F2I2XGN3UOSOM7 · pith_short_8: X7F2I2XG

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/X7F2I2XGN3UOSOM7KEB3A7X2AO \
  | 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: bfcba46ae66ee8e9399f5103b07efa03b1056788e4399820a11a4f95424e2e4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1da09497de2dce5a69d35cfca7f8dde91345041ff04f99b9c4972e01bbd0ea9c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2017-09-25T11:39:21Z",
    "title_canon_sha256": "78a2c6760c9ef5bd854e59b1f45612b240d485778982e2c365871d5604abbde6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.08434",
    "kind": "arxiv",
    "version": 2
  }
}