Pith Number

pith:YB5ZTOCV

pith:2015:YB5ZTOCVWS4YCZMNBNUJUR63QI

not attested not anchored not stored refs pending

Move from Perturbed scheme to exponential weighting average

Chunyang Xiao

arxiv:1512.07074 v1 · 2015-12-22 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YB5ZTOCVWS4YCZMNBNUJUR63QI}

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	2026-05-18T01:23:52.961487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c07b99b855b4b981658d0b689a47db8202802b15b51fb175493b3b5c1f67ff7f

Aliases

arxiv: 1512.07074 · arxiv_version: 1512.07074v1 · doi: 10.48550/arxiv.1512.07074 · pith_short_12: YB5ZTOCVWS4Y · pith_short_16: YB5ZTOCVWS4YCZMN · pith_short_8: YB5ZTOCV

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/YB5ZTOCVWS4YCZMNBNUJUR63QI \
  | 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: c07b99b855b4b981658d0b689a47db8202802b15b51fb175493b3b5c1f67ff7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d89f3ea6b2318ae282f3c2d388f928b4847f3da5e1652e6473912a014abc39e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-12-22T13:18:17Z",
    "title_canon_sha256": "7b5afb160595f5c6de17e9eb9d8cf2410e40aaa22b589c074bc2422e850c2c4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.07074",
    "kind": "arxiv",
    "version": 1
  }
}