Pith Number

pith:BTJDRLO5

pith:2019:BTJDRLO5TD3N7SGV5HFJO46GCF

not attested not anchored not stored refs pending

CrowdOS: A Ubiquitous Operating System for Crowdsourcing and Mobile Crowd Sensing

Bin Guo, Jiahao Liao, Jiangbin Su, Qi Han, Yimeng Liu, Zhiwen Yu

arxiv:1909.00805 v1 · 2019-09-02 · cs.CY · cs.OS · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BTJDRLO5TD3N7SGV5HFJO46GCF}

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	2026-07-05T06:40:48.572655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cd238addd98f6dfc8d5e9ca9773c6115458417eb5a3010a4ea61a9707b7b7d0

Aliases

arxiv: 1909.00805 · arxiv_version: 1909.00805v1 · doi: 10.48550/arxiv.1909.00805 · pith_short_12: BTJDRLO5TD3N · pith_short_16: BTJDRLO5TD3N7SGV · pith_short_8: BTJDRLO5

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/BTJDRLO5TD3N7SGV5HFJO46GCF \
  | 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: 0cd238addd98f6dfc8d5e9ca9773c6115458417eb5a3010a4ea61a9707b7b7d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4bd735bf2f7353469245903d20a952bf0ecb5cb0d4a981e099f0a58a40e07ea",
    "cross_cats_sorted": [
      "cs.OS",
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2019-09-02T17:28:05Z",
    "title_canon_sha256": "fafb69ffd4fb8f655fa1736fd03b66ac3980018e4d2047a9fc894f653d61e316"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.00805",
    "kind": "arxiv",
    "version": 1
  }
}