Pith Number

pith:TPH3EU6F

pith:2022:TPH3EU6F4XRQZEGVCPIINQYGZW

not attested not anchored not stored refs pending

Analysis of the Spatio-temporal Dynamics of COVID-19 in Massachusetts via Spectral Graph Wavelet Theory

Hongkun Zhang, Jian Zu, Ru Geng, Yixian Gao

arxiv:2208.01749 v1 · 2022-07-28 · cs.SI · cs.LG · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TPH3EU6F4XRQZEGVCPIINQYGZW}

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	2026-07-05T04:45:39.859447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bcfb253c5e5e30c90d513d086c306cdb89853a7f4fc2f026d978ef74efa4df8

Aliases

arxiv: 2208.01749 · arxiv_version: 2208.01749v1 · doi: 10.48550/arxiv.2208.01749 · pith_short_12: TPH3EU6F4XRQ · pith_short_16: TPH3EU6F4XRQZEGV · pith_short_8: TPH3EU6F

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/TPH3EU6F4XRQZEGVCPIINQYGZW \
  | 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: 9bcfb253c5e5e30c90d513d086c306cdb89853a7f4fc2f026d978ef74efa4df8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53476827451611fb34be708e8b369d5cc9314ce4de56140bf2593ccad434d1e1",
    "cross_cats_sorted": [
      "cs.LG",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2022-07-28T19:49:42Z",
    "title_canon_sha256": "7d71b7a1a6431d7442aefcd5f7f30b0037b7555953cb269b27ae1c68b9d7aa20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.01749",
    "kind": "arxiv",
    "version": 1
  }
}