Pith Number

pith:PPKSFJNJ

pith:2018:PPKSFJNJ4JNB2BKEEFSE6EN23H

not attested not anchored not stored refs pending

Wisdom in Sum of Parts: Multi-Platform Activity Prediction in Social Collaborative Sites

David Lo, Roy Ka-Wei Lee

arxiv:1805.03348 v1 · 2018-05-09 · cs.SI · cs.DL · 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{PPKSFJNJ4JNB2BKEEFSE6EN23H}

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	2026-05-18T00:16:20.429069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bd522a5a9e25a1d054421644f11bad9c453cbb8c3e20d8b581f97ed27a84f2f

Aliases

arxiv: 1805.03348 · arxiv_version: 1805.03348v1 · doi: 10.48550/arxiv.1805.03348 · pith_short_12: PPKSFJNJ4JNB · pith_short_16: PPKSFJNJ4JNB2BKE · pith_short_8: PPKSFJNJ

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/PPKSFJNJ4JNB2BKEEFSE6EN23H \
  | 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: 7bd522a5a9e25a1d054421644f11bad9c453cbb8c3e20d8b581f97ed27a84f2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad350e0ad9496c8299091f9bca4a340b0e61f21dade183c01b1fe82a845f0ed5",
    "cross_cats_sorted": [
      "cs.DL",
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2018-05-09T02:01:19Z",
    "title_canon_sha256": "2aa646cad217b1a81d49d27203d4c08427cb7091f9e2dab7d653ee89a94ce23f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03348",
    "kind": "arxiv",
    "version": 1
  }
}