Pith Number

pith:F6YO237M

pith:2020:F6YO237MAGFUP5RVKIBVGPTWJ2

not attested not anchored not stored refs pending

A Spherical Hidden Markov Model for Semantics-Rich Human Mobility Modeling

Chao Zhang, Jiawei Han, Shuochao Yao, Wanzheng Zhu, Xiaobin Gao

arxiv:2010.01986 v1 · 2020-10-05 · cs.LG · cs.AI · cs.CL · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F6YO237MAGFUP5RVKIBVGPTWJ2}

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	2026-07-05T01:40:11.397798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fb0ed6fec018b47f6355203533e764eb0b997281323425e143149734fe05648

Aliases

arxiv: 2010.01986 · arxiv_version: 2010.01986v1 · doi: 10.48550/arxiv.2010.01986 · pith_short_12: F6YO237MAGFU · pith_short_16: F6YO237MAGFUP5RV · pith_short_8: F6YO237M

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/F6YO237MAGFUP5RVKIBVGPTWJ2 \
  | 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: 2fb0ed6fec018b47f6355203533e764eb0b997281323425e143149734fe05648

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03ede55b20965883d235a95ab83b922acaf6782e4507288d62773ffc2091a104",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-10-05T13:18:38Z",
    "title_canon_sha256": "144ce184c6abc94e928acc9f54d740d04addd779fef27e0a62322e4f326b45ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.01986",
    "kind": "arxiv",
    "version": 1
  }
}