Pith Number

pith:CJ6EMIMI

pith:2015:CJ6EMIMIM6O7VVWDURFMI2ZVFY

not attested not anchored not stored refs pending

Your Actions Tell Where You Are: Uncovering Twitter Users in a Metropolitan Area

Jingchao Sun, Jinxue Zhang, Rui Zhang, Yanchao Zhang

arxiv:1503.08771 v2 · 2015-03-30 · 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{CJ6EMIMIM6O7VVWDURFMI2ZVFY}

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	2026-05-18T00:57:50.859259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

127c462188679dfad6c3a44ac46b352e2c8d48689e2dba6e7f92c2091e27ea67

Aliases

arxiv: 1503.08771 · arxiv_version: 1503.08771v2 · doi: 10.48550/arxiv.1503.08771 · pith_short_12: CJ6EMIMIM6O7 · pith_short_16: CJ6EMIMIM6O7VVWD · pith_short_8: CJ6EMIMI

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/CJ6EMIMIM6O7VVWDURFMI2ZVFY \
  | 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: 127c462188679dfad6c3a44ac46b352e2c8d48689e2dba6e7f92c2091e27ea67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5da1cd3e8c576ac60e0b839cf92b88ecc566d1de86b35976a0e357065dbe8af9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2015-03-30T18:07:30Z",
    "title_canon_sha256": "24f01abbeed97564257ce50d8ad8ae939cf7ac4787bfa1581ff934245983e38c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08771",
    "kind": "arxiv",
    "version": 2
  }
}