Pith Number

pith:PECXBAA5

pith:2021:PECXBAA5DLDGPIR3BMGT62PENW

not attested not anchored not stored refs pending

"Do You Know You Are Tracked by Photos That You Didn't Take": Location-Aware Multi-Party Image Privacy Protection

Dan Lin, Jianping Fan, Joshua Morris, Kannappan Palaniappan, Sara Newman

arxiv:2103.10851 v1 · 2021-03-19 · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PECXBAA5DLDGPIR3BMGT62PENW}

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	2026-07-05T02:24:45.575258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

790570801d1ac667a23b0b0d3f69e46d83277173177787a3c7f7128f1e8e67c1

Aliases

arxiv: 2103.10851 · arxiv_version: 2103.10851v1 · doi: 10.48550/arxiv.2103.10851 · pith_short_12: PECXBAA5DLDG · pith_short_16: PECXBAA5DLDGPIR3 · pith_short_8: PECXBAA5

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/PECXBAA5DLDGPIR3BMGT62PENW \
  | 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: 790570801d1ac667a23b0b0d3f69e46d83277173177787a3c7f7128f1e8e67c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e11712cc68c8f6a29343fbebc5f9deab10e00e3fa1b117f8a38a70ccd7a6a6d5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2021-03-19T15:13:21Z",
    "title_canon_sha256": "0ecbd05dae097ffb924f05f2c2f330d01c091c4cb04bcd7ed9d960779319097b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.10851",
    "kind": "arxiv",
    "version": 1
  }
}