Pith Number

pith:SXJUGBSR

pith:2023:SXJUGBSRKEWNLZND6IVYCCHDOC

not attested not anchored not stored refs pending

Pseudorandom Hashing for Space-bounded Computation with Applications in Streaming

David P. Woodruff, Mikkel Thorup, Praneeth Kacham, Rasmus Pagh

arxiv:2304.06853 v2 · 2023-04-13 · 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{SXJUGBSRKEWNLZND6IVYCCHDOC}

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	2026-07-05T07:30:02.429987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95d3430651512cd5e5a3f22b8108e37093bc4af8607d4b9000dd56611eb61b9e

Aliases

arxiv: 2304.06853 · arxiv_version: 2304.06853v2 · doi: 10.48550/arxiv.2304.06853 · pith_short_12: SXJUGBSRKEWN · pith_short_16: SXJUGBSRKEWNLZND · pith_short_8: SXJUGBSR

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/SXJUGBSRKEWNLZND6IVYCCHDOC \
  | 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: 95d3430651512cd5e5a3f22b8108e37093bc4af8607d4b9000dd56611eb61b9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d5f537d46d0287f334237534b00d36885b1d5b89ef9ec31b75b97acfc6ede23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2023-04-13T22:44:22Z",
    "title_canon_sha256": "86d23bcb566fa50379d3490ba1aca0abfcdf4d057a21be9ac55f2894bacdf173"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.06853",
    "kind": "arxiv",
    "version": 2
  }
}