Pith Number

pith:LWFBEAFH

pith:2015:LWFBEAFHJNDXLC5UNSCIEWIHH2

not attested not anchored not stored refs pending

Adaptive compression of large vectors

Steffen B\"orm

arxiv:1506.00222 v2 · 2015-05-31 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LWFBEAFHJNDXLC5UNSCIEWIHH2}

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	2026-05-18T00:46:49.845006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d8a1200a74b47758bb46c848259073e96652ada4d579aa242c7c402806c60f6

Aliases

arxiv: 1506.00222 · arxiv_version: 1506.00222v2 · doi: 10.48550/arxiv.1506.00222 · pith_short_12: LWFBEAFHJNDX · pith_short_16: LWFBEAFHJNDXLC5U · pith_short_8: LWFBEAFH

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/LWFBEAFHJNDXLC5UNSCIEWIHH2 \
  | 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: 5d8a1200a74b47758bb46c848259073e96652ada4d579aa242c7c402806c60f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f803f074c1ee8653d2e99a83554df82e9f5b077c40edbe932b56475834d7efc8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-05-31T12:42:07Z",
    "title_canon_sha256": "4a118c60cb0bee33da20ec2fcfbc677f44515cb89e222b69f7bf511f268c4c85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.00222",
    "kind": "arxiv",
    "version": 2
  }
}