Pith Number

pith:SNBT36PU

pith:2017:SNBT36PUDOQMFJVWKSLMRG3KGW

not attested not anchored not stored refs pending

Reverse Engineering Human Mobility in Large-scale Natural Disasters

Matthias Hollick, Max Maass, Milan Stute, Tom Schons

arxiv:1708.02151 v2 · 2017-08-07 · cs.NI · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SNBT36PUDOQMFJVWKSLMRG3KGW}

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	2026-05-18T00:34:36.974476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93433df9f41ba0c2a6b65496c89b6a35a1fa2c1eb88ac54163d8a49a33c8b7a3

Aliases

arxiv: 1708.02151 · arxiv_version: 1708.02151v2 · doi: 10.48550/arxiv.1708.02151 · pith_short_12: SNBT36PUDOQM · pith_short_16: SNBT36PUDOQMFJVW · pith_short_8: SNBT36PU

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/SNBT36PUDOQMFJVWKSLMRG3KGW \
  | 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: 93433df9f41ba0c2a6b65496c89b6a35a1fa2c1eb88ac54163d8a49a33c8b7a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b704d3b4c4b820fe51aaf8b7534dad541b3215c8fb07398bfee2d59a88dac994",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2017-08-07T15:05:51Z",
    "title_canon_sha256": "2cf6d9380e56d2cbf95841bc1095982e2d2d8b48394b826e3de9fc9b5d4bab83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.02151",
    "kind": "arxiv",
    "version": 2
  }
}