Pith Number

pith:WJY4WV3K

pith:2018:WJY4WV3KP7S4ML66HJMQZYMF4G

not attested not anchored not stored refs pending

Extra Space during Initialization of Succinct Data Structures and Dynamical Initializable Arrays

Andrej Sajenko, Frank Kammer

arxiv:1803.09675 v2 · 2018-03-26 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WJY4WV3KP7S4ML66HJMQZYMF4G}

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	2026-05-18T00:17:23.660240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b271cb576a7fe5c62fde3a590ce185e1a5890d3785aed2f1ad9889cc573518bd

Aliases

arxiv: 1803.09675 · arxiv_version: 1803.09675v2 · doi: 10.48550/arxiv.1803.09675 · pith_short_12: WJY4WV3KP7S4 · pith_short_16: WJY4WV3KP7S4ML66 · pith_short_8: WJY4WV3K

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/WJY4WV3KP7S4ML66HJMQZYMF4G \
  | 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: b271cb576a7fe5c62fde3a590ce185e1a5890d3785aed2f1ad9889cc573518bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07d798959aac2388508e607a82dd6ce30fce7bb05156e1784976e72e68c668fc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-03-26T15:43:50Z",
    "title_canon_sha256": "d4871146d6927f31df646c459f7c8fb1f63ba6b5d0dc6a633bd8b4f88da19ad7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09675",
    "kind": "arxiv",
    "version": 2
  }
}