Pith Number

pith:3VBWOSAZ

pith:2017:3VBWOSAZFZYWKMTXRMCYTBKS55

not attested not anchored not stored refs pending

Characterizing Geo-located Tweets in Brazilian Megacities

Arian Pasquali, Jo\~ao Pereira, N\'elio Cacho, Pedro Saleiro, Rosaldo Rossetti

arxiv:1709.01981 v1 · 2017-09-06 · 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{3VBWOSAZFZYWKMTXRMCYTBKS55}

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	2026-05-18T00:35:50.652037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd436748192e716532778b05898552ef4ff08b81073bce3918bd43bbf0bbf52b

Aliases

arxiv: 1709.01981 · arxiv_version: 1709.01981v1 · doi: 10.48550/arxiv.1709.01981 · pith_short_12: 3VBWOSAZFZYW · pith_short_16: 3VBWOSAZFZYWKMTX · pith_short_8: 3VBWOSAZ

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/3VBWOSAZFZYWKMTXRMCYTBKS55 \
  | 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: dd436748192e716532778b05898552ef4ff08b81073bce3918bd43bbf0bbf52b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84efe4ed889e94fd43301fd3577d7d38c34295cf2c85f8a8f7c86875bce04cfe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2017-09-06T20:20:26Z",
    "title_canon_sha256": "c40919f5f557477eadbd3efed08a1a74312ecd74ad53dfbbc9b0c81153eeded7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.01981",
    "kind": "arxiv",
    "version": 1
  }
}