Pith Number

pith:T4VNRMSC

pith:2017:T4VNRMSCT2RDEMXCF6HUGNO6XK

not attested not anchored not stored refs pending

On the Complexity of L-reachability

Balagopal Komarath, Jayalal Sarma, K. S. Sunil

arxiv:1701.03255 v1 · 2017-01-12 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T4VNRMSCT2RDEMXCF6HUGNO6XK}

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	2026-05-18T00:52:58.106902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f2ad8b2429ea23232e22f8f4335debaba29300a73bcb3b6bd946a1279336d92

Aliases

arxiv: 1701.03255 · arxiv_version: 1701.03255v1 · doi: 10.48550/arxiv.1701.03255 · pith_short_12: T4VNRMSCT2RD · pith_short_16: T4VNRMSCT2RDEMXC · pith_short_8: T4VNRMSC

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/T4VNRMSCT2RDEMXCF6HUGNO6XK \
  | 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: 9f2ad8b2429ea23232e22f8f4335debaba29300a73bcb3b6bd946a1279336d92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14fbfcd8a86762c29a4a81484def1bbe3f84fbc48c5b2f296830c4817c217faa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2017-01-12T06:47:46Z",
    "title_canon_sha256": "a56a79f12e18e8db87e612d23762c8848d55779ef5cb5d0878a6ced4b443f8f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.03255",
    "kind": "arxiv",
    "version": 1
  }
}