Pith Number

pith:2VRBQHDJ

pith:2020:2VRBQHDJTU35CNJR3KSVP5OFSX

not attested not anchored not stored refs pending

Span Recovery for Deep Neural Networks with Applications to Input Obfuscation

David P. Woodruff, Qiuyi Zhang, Rajesh Jayaram

arxiv:2002.08202 v1 · 2020-02-19 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2VRBQHDJTU35CNJR3KSVP5OFSX}

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	2026-07-05T00:42:27.372356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d562181c699d37d13531daa557f5c595df75ec493475866b56f23354a305aa84

Aliases

arxiv: 2002.08202 · arxiv_version: 2002.08202v1 · doi: 10.48550/arxiv.2002.08202 · pith_short_12: 2VRBQHDJTU35 · pith_short_16: 2VRBQHDJTU35CNJR · pith_short_8: 2VRBQHDJ

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/2VRBQHDJTU35CNJR3KSVP5OFSX \
  | 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: d562181c699d37d13531daa557f5c595df75ec493475866b56f23354a305aa84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8097107b034c25786516419207fb257b8fad6a0c7c0ad62add06b262f1c686a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2020-02-19T14:17:15Z",
    "title_canon_sha256": "130de131a3e2ca8994ecb387dc7529075012936f754f49b30093208c568445c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.08202",
    "kind": "arxiv",
    "version": 1
  }
}