Pith Number

pith:37G7GBP4

pith:2014:37G7GBP4KVKLD6ONLRFQVV2KR5

not attested not anchored not stored refs pending

Followers or Phantoms? An Anatomy of Purchased Twitter Followers

Anupama Aggarwal, Ponnurangam Kumaraguru

arxiv:1408.1534 v1 · 2014-08-07 · 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{37G7GBP4KVKLD6ONLRFQVV2KR5}

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	2026-05-18T02:45:40.245472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfcdf305fc5554b1f9cd5c4b0ad74a8f6f3d914cde29eca1591d222f54bb4c11

Aliases

arxiv: 1408.1534 · arxiv_version: 1408.1534v1 · doi: 10.48550/arxiv.1408.1534 · pith_short_12: 37G7GBP4KVKL · pith_short_16: 37G7GBP4KVKLD6ON · pith_short_8: 37G7GBP4

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/37G7GBP4KVKLD6ONLRFQVV2KR5 \
  | 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: dfcdf305fc5554b1f9cd5c4b0ad74a8f6f3d914cde29eca1591d222f54bb4c11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38f6600b9d2b287110cefb9bdf1f633becc45a04c4b9efa6455bbf7d7ed1918d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2014-08-07T10:39:52Z",
    "title_canon_sha256": "e1c95eea5bf848210de2764fc7a32953bc3ac7456d81c0a72841b7e66429f32d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.1534",
    "kind": "arxiv",
    "version": 1
  }
}