Pith Number

pith:42DBL6NI

pith:2017:42DBL6NIA563MFDBHADKYSQ7K6

not attested not anchored not stored refs pending

Joint Semi-supervised RSS Dimensionality Reduction and Fingerprint Based Algorithm for Indoor Localization

Caifa Zhou, Lin Ma, Xuezhi Tan

arxiv:1704.03639 v1 · 2017-04-12 · stat.ML · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{42DBL6NIA563MFDBHADKYSQ7K6}

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	2026-05-18T00:46:27.262157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e68615f9a8077db614613806ac4a1f57b3a460abc78bbab208c0e0d76db572ef

Aliases

arxiv: 1704.03639 · arxiv_version: 1704.03639v1 · doi: 10.48550/arxiv.1704.03639 · pith_short_12: 42DBL6NIA563 · pith_short_16: 42DBL6NIA563MFDB · pith_short_8: 42DBL6NI

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/42DBL6NIA563MFDBHADKYSQ7K6 \
  | 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: e68615f9a8077db614613806ac4a1f57b3a460abc78bbab208c0e0d76db572ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4dcf2324edbc15a702563de5dab2a58b90cf804e2dbd238d2db517e4f220acec",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-04-12T06:35:18Z",
    "title_canon_sha256": "7c031fe0d14003218c71c6a17a38853d0b79163e38e517ebf31eb47abc0bc8e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.03639",
    "kind": "arxiv",
    "version": 1
  }
}