pith. sign in
Pith Number

pith:4BTRWFXS

pith:2018:4BTRWFXSMVADQUDBPERFOESVUO
not attested not anchored not stored refs pending

What can we learn from Semantic Tagging?

Artur Kulmizev, Johan Bos, Lasha Abzianidze, Mostafa Abdou, Vinit Ravishankar

arxiv:1808.09716 v1 · 2018-08-29 · cs.CL

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4BTRWFXSMVADQUDBPERFOESVUO}

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 2026-05-18T00:06:54.673290Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e0671b16f265403850617922571255a38a7c1e4db09f0e5fe124c4126c483ea2

Aliases

arxiv: 1808.09716 · arxiv_version: 1808.09716v1 · doi: 10.48550/arxiv.1808.09716 · pith_short_12: 4BTRWFXSMVAD · pith_short_16: 4BTRWFXSMVADQUDB · pith_short_8: 4BTRWFXS
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4BTRWFXSMVADQUDBPERFOESVUO \
  | 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: e0671b16f265403850617922571255a38a7c1e4db09f0e5fe124c4126c483ea2
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1a15334aac00b02db0e3bda8e0eec38d48e845b551bc0130347b6fcfffbaf2c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-08-29T10:30:03Z",
    "title_canon_sha256": "4bfcced447d722fb0c23b7e16b51583756fec0fdf0f4a7e149f39e158fadffa9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.09716",
    "kind": "arxiv",
    "version": 1
  }
}