Pith Number

pith:6RMZJ7ZS

pith:2010:6RMZJ7ZSIBZYV3H3SQM3FZ7DEV

not attested not anchored not stored refs pending

The space complexity of recognizing well-parenthesized expressions in the streaming model: the Index function revisited

Ashwin Nayak, Rahul Jain

arxiv:1004.3165 v5 · 2010-04-19 · cs.CC · cs.IT · math.IT · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6RMZJ7ZSIBZYV3H3SQM3FZ7DEV}

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	2026-05-18T02:48:01.218980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f45994ff3240738aecfb9419b2e7e32558dd6ec3b368fc8753dd4db47b7653db

Aliases

arxiv: 1004.3165 · arxiv_version: 1004.3165v5 · doi: 10.48550/arxiv.1004.3165 · pith_short_12: 6RMZJ7ZSIBZY · pith_short_16: 6RMZJ7ZSIBZYV3H3 · pith_short_8: 6RMZJ7ZS

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/6RMZJ7ZSIBZYV3H3SQM3FZ7DEV \
  | 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: f45994ff3240738aecfb9419b2e7e32558dd6ec3b368fc8753dd4db47b7653db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46beeccba98882d081b41a844a75e82b5a43fb90393923d4189dd1ab0fe52f8f",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2010-04-19T11:52:28Z",
    "title_canon_sha256": "2ff42d954719a061f10d830668ba82e460bbe66072c5748425dea78231aa9458"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.3165",
    "kind": "arxiv",
    "version": 5
  }
}