Pith Number

pith:OBKOPAIF

pith:2016:OBKOPAIFGNXKBJ5K4LPNPLYQQ7

not attested not anchored not stored refs pending

RNN Approaches to Text Normalization: A Challenge

Navdeep Jaitly, Richard Sproat

arxiv:1611.00068 v2 · 2016-10-31 · 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	2026-05-18T00:52:08.018245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7054e78105336ea0a7aae2ded7af1087e91062882015b42c07d6435413864b78

Aliases

arxiv: 1611.00068 · arxiv_version: 1611.00068v2 · doi: 10.48550/arxiv.1611.00068 · pith_short_12: OBKOPAIFGNXK · pith_short_16: OBKOPAIFGNXKBJ5K · pith_short_8: OBKOPAIF

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/OBKOPAIFGNXKBJ5K4LPNPLYQQ7 \
  | 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: 7054e78105336ea0a7aae2ded7af1087e91062882015b42c07d6435413864b78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "368ddf64db3343ce59f8e4d127b54eaf02ac504af2cb30c494ad0d3b0bd52a9f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2016-10-31T22:42:02Z",
    "title_canon_sha256": "6d09a7abb84340ad0d27cbe53bb9467400824cc75f340fd7df573684e2c5d84b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.00068",
    "kind": "arxiv",
    "version": 2
  }
}