Pith Number

pith:WAA457B3

pith:2021:WAA457B37BH4TN53W5KAIJENUQ

not attested not anchored not stored refs pending

Decontextualization: Making Sentences Stand-Alone

Dipanjan Das, Eunsol Choi, Jennimaria Palomaki, Matthew Lamm, Michael Collins, Tom Kwiatkowski

arxiv:2102.05169 v1 · 2021-02-09 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WAA457B37BH4TN53W5KAIJENUQ}

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	2026-07-05T02:14:15.594444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b001cefc3bf84fc9b7bbb75404248da417116c32fb18b395126992b6af7d5aaa

Aliases

arxiv: 2102.05169 · arxiv_version: 2102.05169v1 · doi: 10.48550/arxiv.2102.05169 · pith_short_12: WAA457B37BH4 · pith_short_16: WAA457B37BH4TN53 · pith_short_8: WAA457B3

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/WAA457B37BH4TN53W5KAIJENUQ \
  | 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: b001cefc3bf84fc9b7bbb75404248da417116c32fb18b395126992b6af7d5aaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ab747a79221997641bfab020eb7a7a77ec904c12ca71e1fe7509606be616a05",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-02-09T22:52:37Z",
    "title_canon_sha256": "a065b868b17ca7efe46512707c368c77fcd79b7a539592ea4350fe0d6dec5d5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.05169",
    "kind": "arxiv",
    "version": 1
  }
}