Pith Number

pith:46R5TJGS

pith:2019:46R5TJGSVQHAV7KSIRIM3DX4HB

not attested not anchored not stored refs pending

De-identification without losing faces

Siwei Lyu, Yuezun Li

arxiv:1902.04202 v1 · 2019-02-12 · cs.CV · cs.CY · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{46R5TJGSVQHAV7KSIRIM3DX4HB}

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	2026-05-17T23:54:12.842825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7a3d9a4d2ac0e0afd524450cd8efc386d358e03bd78354c33cac46b0889a03e

Aliases

arxiv: 1902.04202 · arxiv_version: 1902.04202v1 · doi: 10.48550/arxiv.1902.04202 · pith_short_12: 46R5TJGSVQHA · pith_short_16: 46R5TJGSVQHAV7KS · pith_short_8: 46R5TJGS

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/46R5TJGSVQHAV7KSIRIM3DX4HB \
  | 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: e7a3d9a4d2ac0e0afd524450cd8efc386d358e03bd78354c33cac46b0889a03e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0325d14276ef8cfd57a4b1e9c8be45c40f9585cca21c506d66153f09bab32910",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-02-12T01:15:15Z",
    "title_canon_sha256": "ff8add17579fb7b9f014be3ddde3f19c8f9dfd53ce1a7a38a359d9f0eace5177"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04202",
    "kind": "arxiv",
    "version": 1
  }
}