Pith Number

pith:TDWBZRNB

pith:2018:TDWBZRNBMC5UPGNVXPF3DTRCTG

not attested not anchored not stored refs pending

The Human Geography of Twitter

Hywel T.P. Williams, Rudy Arthur

arxiv:1807.04107 v1 · 2018-07-11 · cs.SI · 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{TDWBZRNBMC5UPGNVXPF3DTRCTG}

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	2026-05-18T00:10:57.953760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98ec1cc5a160bb4799b5bbcbb1ce22998b5210424ce6575324989ca562c07b96

Aliases

arxiv: 1807.04107 · arxiv_version: 1807.04107v1 · doi: 10.48550/arxiv.1807.04107 · pith_short_12: TDWBZRNBMC5U · pith_short_16: TDWBZRNBMC5UPGNV · pith_short_8: TDWBZRNB

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/TDWBZRNBMC5UPGNVXPF3DTRCTG \
  | 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: 98ec1cc5a160bb4799b5bbcbb1ce22998b5210424ce6575324989ca562c07b96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a6c93a953544b508075a4042db4aba1fe0c170f824eadee7493020b5b7e10ff",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2018-07-11T12:47:08Z",
    "title_canon_sha256": "ecbc4bda185d1d2671723c9c011035c91cbb00f6221c945c4bb6d6bef4fc9ab2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04107",
    "kind": "arxiv",
    "version": 1
  }
}