Pith Number

pith:FN3XI5Y3

pith:2016:FN3XI5Y3BBAFUDFYZLVWKY3NOE

not attested not anchored not stored refs pending

QUOTE: "Querying" Users as Oracles in Tag Engines - A Semi-Supervised Learning Approach to Personalized Image Tagging

Amandianeze O. Nwana, Tsuhan Chen

arxiv:1601.06440 v1 · 2016-01-20 · cs.IR · cs.LG · cs.MM · 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{FN3XI5Y3BBAFUDFYZLVWKY3NOE}

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	2026-05-18T00:37:42.332639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b7774771b08405a0cb8caeb65636d71081e0a876ed7b58f39917a60f973d0a6

Aliases

arxiv: 1601.06440 · arxiv_version: 1601.06440v1 · doi: 10.48550/arxiv.1601.06440 · pith_short_12: FN3XI5Y3BBAF · pith_short_16: FN3XI5Y3BBAFUDFY · pith_short_8: FN3XI5Y3

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/FN3XI5Y3BBAFUDFYZLVWKY3NOE \
  | 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: 2b7774771b08405a0cb8caeb65636d71081e0a876ed7b58f39917a60f973d0a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7e4556e74f4cd9e9ef457e5e3410a4a953f4653f2b940008a8cc2df80936640",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.MM",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2016-01-20T21:07:16Z",
    "title_canon_sha256": "656d1e6ec63900443b67f5fe37e7de49f7423bb5c7bb15f0a1d730decbd1a3b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.06440",
    "kind": "arxiv",
    "version": 1
  }
}