Pith Number

pith:YQ47ISGZ

pith:2019:YQ47ISGZE35V4HV6CDSV6RXWBU

not attested not anchored not stored refs pending

Semantic Source Code Search: A Study of the Past and a Glimpse at the Future

Muhammad Khalifa

arxiv:1908.06738 v2 · 2019-08-15 · cs.SE · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YQ47ISGZE35V4HV6CDSV6RXWBU}

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	2026-07-05T03:16:59.610611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c439f448d926fb5e1ebe10e55f46f60d12e423a45648353a095ead8a0616a318

Aliases

arxiv: 1908.06738 · arxiv_version: 1908.06738v2 · doi: 10.48550/arxiv.1908.06738 · pith_short_12: YQ47ISGZE35V · pith_short_16: YQ47ISGZE35V4HV6 · pith_short_8: YQ47ISGZ

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/YQ47ISGZE35V4HV6CDSV6RXWBU \
  | 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: c439f448d926fb5e1ebe10e55f46f60d12e423a45648353a095ead8a0616a318

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ca1c547c15dbd0f377d1722873207fd806cd9145321200630be65e3da6201de",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-08-15T12:50:51Z",
    "title_canon_sha256": "73a7517ac36261ec6b88578a55b7f35a1ea781e6e2bdd2bda68cbd2883e02c7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06738",
    "kind": "arxiv",
    "version": 2
  }
}