Pith Number

pith:Y6LZPY4U

pith:2021:Y6LZPY4UMWJTMIDKKI7RKRLQN7

not attested not anchored not stored refs pending

Classification of COVID-19 anomalous diffusion driven by mean squared displacement

Lin Qiu, Peiyao Guan, Shuhong Wang, Yingjie Liang

arxiv:2107.13517 v1 · 2021-06-10 · physics.soc-ph · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y6LZPY4UMWJTMIDKKI7RKRLQN7}

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	2026-07-05T03:01:31.016475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c79797e394659336206a523f1545706fc0e8cbf83fce15a2a17b6b87639e1398

Aliases

arxiv: 2107.13517 · arxiv_version: 2107.13517v1 · doi: 10.48550/arxiv.2107.13517 · pith_short_12: Y6LZPY4UMWJT · pith_short_16: Y6LZPY4UMWJTMIDK · pith_short_8: Y6LZPY4U

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/Y6LZPY4UMWJTMIDKKI7RKRLQN7 \
  | 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: c79797e394659336206a523f1545706fc0e8cbf83fce15a2a17b6b87639e1398

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "554f13492e8b3e616622023e09d7ba0a162e586818ba56e37f221d8eca245966",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2021-06-10T03:22:15Z",
    "title_canon_sha256": "311144b12bba6789d9d51c01e0cbb73d4b4b7909d86c8f096ae8a517165b2b43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.13517",
    "kind": "arxiv",
    "version": 1
  }
}