Pith Number

pith:QRXB2EOB

pith:2017:QRXB2EOBYL5N4P2R2HYNPZISOU

not attested not anchored not stored refs pending

Learning from various labeling strategies for suicide-related messages on social media: An experimental study

Christopher M. Homan, Qijin Cheng, Tong Liu, Vincent M.B. Silenzio

arxiv:1701.08796 v1 · 2017-01-30 · cs.LG · cs.CY · 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{QRXB2EOBYL5N4P2R2HYNPZISOU}

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	2026-05-18T00:51:39.169846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

846e1d11c1c2fade3f51d1f0d7e51275315e9f81ad258e1bf1db864eeca594a9

Aliases

arxiv: 1701.08796 · arxiv_version: 1701.08796v1 · doi: 10.48550/arxiv.1701.08796 · pith_short_12: QRXB2EOBYL5N · pith_short_16: QRXB2EOBYL5N4P2R · pith_short_8: QRXB2EOB

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/QRXB2EOBYL5N4P2R2HYNPZISOU \
  | 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: 846e1d11c1c2fade3f51d1f0d7e51275315e9f81ad258e1bf1db864eeca594a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0720f7c7775abfa0e10639a222dcf1d9ea65648327d5922ae9a946636824d10",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-01-30T19:41:04Z",
    "title_canon_sha256": "00bf30ef3dda6726fd065aa8a896f8c280da2b651ddfc811fecfcef431cbabce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.08796",
    "kind": "arxiv",
    "version": 1
  }
}