Pith Number

pith:3V6LAIWI

pith:2017:3V6LAIWI3KSLXPZNCOSV247C6V

not attested not anchored not stored refs pending

Learning what to read: Focused machine reading

Clayton T. Morrison, Enrique Noriega-Atala, Marco A. Valenzuela-Escarcega, Mihai Surdeanu

arxiv:1709.00149 v1 · 2017-09-01 · cs.AI · cs.CL · cs.IR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3V6LAIWI3KSLXPZNCOSV247C6V}

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	2026-05-18T00:36:13.255127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd7cb022c8daa4bbbf2d13a55d73e2f555ad9fc5ac56598dfa7bd1d3ca8a3773

Aliases

arxiv: 1709.00149 · arxiv_version: 1709.00149v1 · doi: 10.48550/arxiv.1709.00149 · pith_short_12: 3V6LAIWI3KSL · pith_short_16: 3V6LAIWI3KSLXPZN · pith_short_8: 3V6LAIWI

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/3V6LAIWI3KSLXPZNCOSV247C6V \
  | 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: dd7cb022c8daa4bbbf2d13a55d73e2f555ad9fc5ac56598dfa7bd1d3ca8a3773

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4be82289a839efb73b6f1739bd4ddd8df163a7308b10f60034b564bed8c7864",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2017-09-01T04:09:42Z",
    "title_canon_sha256": "421a4084be53cf1ed7054b8528a1838b4240c5fc4de684a2cbd522ff6dca4397"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.00149",
    "kind": "arxiv",
    "version": 1
  }
}