Pith Number

pith:Z4FZUKAH

pith:2021:Z4FZUKAHNESQIEQTD6ZL4Y5VPS

not attested not anchored not stored refs pending

Measuring Global Multi-Scale Place Connectivity using Geotagged Social Media Data

Huan Ning, Martin Yago, Michael E. Hodgson, Xiao Huang, Xiaoming Li, Xinyue Ye, Yuqin Jiang, Zhenlong Li

arxiv:2102.03991 v3 · 2021-02-08 · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z4FZUKAHNESQIEQTD6ZL4Y5VPS}

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	2026-07-05T02:18:59.752987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf0b9a280769250412131fb2be63b57cb74644bcc1a09e0bf44fac6c0231f1e0

Aliases

arxiv: 2102.03991 · arxiv_version: 2102.03991v3 · doi: 10.48550/arxiv.2102.03991 · pith_short_12: Z4FZUKAHNESQ · pith_short_16: Z4FZUKAHNESQIEQT · pith_short_8: Z4FZUKAH

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/Z4FZUKAHNESQIEQTD6ZL4Y5VPS \
  | 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: cf0b9a280769250412131fb2be63b57cb74644bcc1a09e0bf44fac6c0231f1e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59b9179ccc896d0622db6de45cec94865d8642b12e8d9eaf33c78c422fccbacf",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2021-02-08T03:55:03Z",
    "title_canon_sha256": "26e8d4b1c0fb10a7e71986092074e9174511c36eb9d539e3dc7d44cb4cc43f66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.03991",
    "kind": "arxiv",
    "version": 3
  }
}