Pith Number

pith:THIFY44G

pith:2017:THIFY44GZWAKJFQF7FAADSBO4J

not attested not anchored not stored refs pending

Ephemeral Context to Support Robust and Diverse Music Recommendations

Carlos Rodriguez, Nava Tintarev, Pavel Kucherbaev

arxiv:1708.02765 v1 · 2017-08-09 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{THIFY44GZWAKJFQF7FAADSBO4J}

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	2026-05-18T00:38:19.624721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99d05c7386cd80a49605f94001c82ee279e251dafd97266388607df5c9b85599

Aliases

arxiv: 1708.02765 · arxiv_version: 1708.02765v1 · doi: 10.48550/arxiv.1708.02765 · pith_short_12: THIFY44GZWAK · pith_short_16: THIFY44GZWAKJFQF · pith_short_8: THIFY44G

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/THIFY44GZWAKJFQF7FAADSBO4J \
  | 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: 99d05c7386cd80a49605f94001c82ee279e251dafd97266388607df5c9b85599

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b193b08ccb762193b80dc0cf6b059273dc4aff0368898755e77957d5bfbdac80",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2017-08-09T09:00:03Z",
    "title_canon_sha256": "fddb6db396786d4be718c6b19fd9a47813bd31b1b632179a82a340433d37dd1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.02765",
    "kind": "arxiv",
    "version": 1
  }
}