Pith Number

pith:57RRJ2ES

pith:2019:57RRJ2ESY6AK5US2GKTQVDNIUD

not attested not anchored not stored refs pending

On Timed Scope-bounded Context-sensitive Languages

Ashutosh Trivedi, Devendra. Bhave, Ramchandra Phawade, S. N. Krishna

arxiv:1905.11125 v1 · 2019-05-27 · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{57RRJ2ESY6AK5US2GKTQVDNIUD}

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	2026-05-17T23:45:02.850808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efe314e892c780aed25a32a70a8da8a0d1f762c26460e2410497ae4a8805ba84

Aliases

arxiv: 1905.11125 · arxiv_version: 1905.11125v1 · doi: 10.48550/arxiv.1905.11125 · pith_short_12: 57RRJ2ESY6AK · pith_short_16: 57RRJ2ESY6AK5US2 · pith_short_8: 57RRJ2ES

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/57RRJ2ESY6AK5US2GKTQVDNIUD \
  | 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: efe314e892c780aed25a32a70a8da8a0d1f762c26460e2410497ae4a8805ba84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3fdeb53639e52f076f23d8a989b323e3bfe46750d1b751c3ed2cb206a285bf8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2019-05-27T11:21:21Z",
    "title_canon_sha256": "4bc5e104d8f4300e3e62f2121f7258e491da5918d0b897bcdb589cf164b07c2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.11125",
    "kind": "arxiv",
    "version": 1
  }
}