Pith Number

pith:JPLKPBZI

pith:2019:JPLKPBZI55SS2FNAQ7GCVBUGCL

not attested not anchored not stored refs pending

Trust and Trustworthiness in Social Recommender Systems

D. Scott McCrickard, Taha Hassan

arxiv:1903.01780 v1 · 2019-03-05 · cs.SI · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JPLKPBZI55SS2FNAQ7GCVBUGCL}

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	2026-05-17T23:51:59.776903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bd6a78728ef652d15a087cc2a868612c597dfe2ec908fae996cd1a5497803ae

Aliases

arxiv: 1903.01780 · arxiv_version: 1903.01780v1 · doi: 10.48550/arxiv.1903.01780 · pith_short_12: JPLKPBZI55SS · pith_short_16: JPLKPBZI55SS2FNA · pith_short_8: JPLKPBZI

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/JPLKPBZI55SS2FNAQ7GCVBUGCL \
  | 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: 4bd6a78728ef652d15a087cc2a868612c597dfe2ec908fae996cd1a5497803ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2a5e4f6b935d0fb2112ff37cc10b9a31246d5b234cbad4cf857be2c0573287e",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2019-03-05T12:10:11Z",
    "title_canon_sha256": "9b3ac26def9a4aa8aba34cee5aa731089f0e77faae3f99a3300e221ef0df4683"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.01780",
    "kind": "arxiv",
    "version": 1
  }
}