Pith Number

pith:KHLJKZTC

pith:2013:KHLJKZTCTF2WYABFXXY4WBU3VN

not attested not anchored not stored refs pending

Sampling, Metric Entropy and Dimensionality Reduction

D. Batenkov, O. Friedland, Y. Yomdin

arxiv:1308.2781 v1 · 2013-08-13 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KHLJKZTCTF2WYABFXXY4WBU3VN}

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	2026-05-18T03:16:05.251295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51d695666299756c0025bdf1cb069bab7c22cbfad526ff13907b1baa7e3e805a

Aliases

arxiv: 1308.2781 · arxiv_version: 1308.2781v1 · doi: 10.48550/arxiv.1308.2781 · pith_short_12: KHLJKZTCTF2W · pith_short_16: KHLJKZTCTF2WYABF · pith_short_8: KHLJKZTC

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/KHLJKZTCTF2WYABFXXY4WBU3VN \
  | 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: 51d695666299756c0025bdf1cb069bab7c22cbfad526ff13907b1baa7e3e805a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b05cda63e957efca64c9261f087464fa042c0da86f8d798a1b7ad57ebdc7656",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2013-08-13T08:17:52Z",
    "title_canon_sha256": "42d45891c66c8a08ccea13700dc5076096ebe08ee00ca812fd6a57f1ec8e65bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.2781",
    "kind": "arxiv",
    "version": 1
  }
}