Pith Number

pith:2RUIGVQT

pith:2018:2RUIGVQT5RFSP5DTEOPNVS3QMJ

not attested not anchored not stored refs pending

Automated Extraction of Personal Knowledge from Smartphone Push Notifications

Jason Hong, Xiangqun Chen, Yao Guo, Yuanchun Li, Yuvraj Agarwal, Ziyue Yang

arxiv:1808.02013 v1 · 2018-08-06 · cs.IR · 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{2RUIGVQT5RFSP5DTEOPNVS3QMJ}

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	2026-05-18T00:08:48.906384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d468835613ec4b27f473239edacb706245356fe012df4eb6991443fa15e355c1

Aliases

arxiv: 1808.02013 · arxiv_version: 1808.02013v1 · doi: 10.48550/arxiv.1808.02013 · pith_short_12: 2RUIGVQT5RFS · pith_short_16: 2RUIGVQT5RFSP5DT · pith_short_8: 2RUIGVQT

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/2RUIGVQT5RFSP5DTEOPNVS3QMJ \
  | 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: d468835613ec4b27f473239edacb706245356fe012df4eb6991443fa15e355c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ead440503efb26aabb160d3abe5c9d2a951d4ecc399d743b720af7cfed13d1d3",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-08-06T17:59:45Z",
    "title_canon_sha256": "1264c17c0aa8e67a610c02c67aed327780d97938cba9cc8120bee429c895544d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02013",
    "kind": "arxiv",
    "version": 1
  }
}