Pith Number

pith:QPP5PFGF

pith:2021:QPP5PFGF56NLPOYQ2BT4RJERCR

not attested not anchored not stored refs pending

ODT FLOW: A Scalable Platform for Extracting, Analyzing, and Sharing Multi-source Multi-scale Human Mobility

Huan Ning, Tao Hu, Xiao Huang, Xiaoming Li, Xinyue Ye, Zhenlong Li

arxiv:2104.05040 v1 · 2021-04-11 · cs.DC · cs.DB · 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{QPP5PFGF56NLPOYQ2BT4RJERCR}

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	2026-07-05T03:14:13.751688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83dfd794c5ef9ab7bb10d067c8a4911478eaae8c1e2b4375018de7688e3d5d41

Aliases

arxiv: 2104.05040 · arxiv_version: 2104.05040v1 · doi: 10.48550/arxiv.2104.05040 · pith_short_12: QPP5PFGF56NL · pith_short_16: QPP5PFGF56NLPOYQ · pith_short_8: QPP5PFGF

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/QPP5PFGF56NLPOYQ2BT4RJERCR \
  | 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: 83dfd794c5ef9ab7bb10d067c8a4911478eaae8c1e2b4375018de7688e3d5d41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d52a9cfe8b798b5f7eca6336741ea8614fa18eb740d11f0fd77fb32bbce9500",
    "cross_cats_sorted": [
      "cs.DB",
      "cs.SI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2021-04-11T16:07:00Z",
    "title_canon_sha256": "d7586f254cd12f45e09499ff8c3bc0550266410431cbdae5467bc5ebbc711e1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.05040",
    "kind": "arxiv",
    "version": 1
  }
}