Pith Number

pith:U75HS2XR

pith:2017:U75HS2XRNUXEFWXCWJWWBAXTJI

not attested not anchored not stored refs pending

Contextualized Word Representations for Reading Comprehension

Jonathan Berant, Shimi Salant

arxiv:1712.03609 v4 · 2017-12-10 · cs.CL

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

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	2026-05-18T00:06:41.017154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7fa796af16d2e42dae2b26d6082f34a09582f5b9b04488cea0493fa6b531ec1

Aliases

arxiv: 1712.03609 · arxiv_version: 1712.03609v4 · doi: 10.48550/arxiv.1712.03609 · pith_short_12: U75HS2XRNUXE · pith_short_16: U75HS2XRNUXEFWXC · pith_short_8: U75HS2XR

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/U75HS2XRNUXEFWXCWJWWBAXTJI \
  | 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: a7fa796af16d2e42dae2b26d6082f34a09582f5b9b04488cea0493fa6b531ec1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45b170ec02f8e9f6d8a8c51192fd4dc8dc4e9a89d36579c76ef7962708de8b40",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-12-10T23:16:02Z",
    "title_canon_sha256": "b7065700eb82d5ff1383524b442f88e73822fdc7ac8b2f03b46df4c988d6af59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.03609",
    "kind": "arxiv",
    "version": 4
  }
}