Pith Number

pith:PNEFZRVN

pith:2021:PNEFZRVNAYNB4BONAN4NDGD7BX

not attested not anchored not stored refs pending

Privacy-preserving Travel Time Prediction with Uncertainty Using GPS Trace Data

Dong Wang, Fang Liu, Zhengquan Xu

arxiv:2101.00310 v2 · 2021-01-01 · 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{PNEFZRVNAYNB4BONAN4NDGD7BX}

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	2026-07-05T02:38:16.718612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b485cc6ad061a1e05cd0378d1987f0dcc5cfbe48d3e1e7773e482fcbfcb6a69

Aliases

arxiv: 2101.00310 · arxiv_version: 2101.00310v2 · doi: 10.48550/arxiv.2101.00310 · pith_short_12: PNEFZRVNAYNB · pith_short_16: PNEFZRVNAYNB4BON · pith_short_8: PNEFZRVN

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/PNEFZRVNAYNB4BONAN4NDGD7BX \
  | 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: 7b485cc6ad061a1e05cd0378d1987f0dcc5cfbe48d3e1e7773e482fcbfcb6a69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93db88858ce0610385d62d104a9b085f0b1d6e3b6099b3d2edf7c7a51c676e6c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2021-01-01T20:08:23Z",
    "title_canon_sha256": "6745bfb8e4b8c245cd2c215fb2cac2f6091377f26493eeca76073063a6768435"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.00310",
    "kind": "arxiv",
    "version": 2
  }
}