Pith Number

pith:2D5K4QGF

pith:2019:2D5K4QGFQEJRNK4AFNSUOHCTZZ

not attested not anchored not stored refs pending

Robustness Analysis of Face Obscuration

Amy R. Reibman, David G\"uera, Edward J. Delp, Hanxiang Hao, J\'anos Horv\'ath

arxiv:1905.05243 v2 · 2019-05-13 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2D5K4QGFQEJRNK4AFNSUOHCTZZ}

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	2026-07-05T00:12:26.325281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0faae40c5811316ab802b65471c53ce50a54b3570e55c68b251eb2781ff98b4

Aliases

arxiv: 1905.05243 · arxiv_version: 1905.05243v2 · doi: 10.48550/arxiv.1905.05243 · pith_short_12: 2D5K4QGFQEJR · pith_short_16: 2D5K4QGFQEJRNK4A · pith_short_8: 2D5K4QGF

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/2D5K4QGFQEJRNK4AFNSUOHCTZZ \
  | 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: d0faae40c5811316ab802b65471c53ce50a54b3570e55c68b251eb2781ff98b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2054e3f7ff48597fd3c7b1a87b1c726fb26eed97533b0e240006d1fece33b381",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-05-13T19:03:35Z",
    "title_canon_sha256": "c52beb6c15b7f6b9cb2b0012f9beb3e34f6386a82c6974edc345d13c09f772be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.05243",
    "kind": "arxiv",
    "version": 2
  }
}