Pith Number

pith:FGNA5FFS

pith:2021:FGNA5FFSQHBBZMB7P3GK6ZG7WH

not attested not anchored not stored refs pending

Keyword Extraction for Improved Document Retrieval in Conversational Search

Fabio Crestani, Mohammad Aliannejadi, Oleg Borisov

arxiv:2109.05979 v2 · 2021-09-13 · cs.CL · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FGNA5FFSQHBBZMB7P3GK6ZG7WH}

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.

Cited by

1 paper in Pith

EchoAid: Enhancing Livestream Shopping Accessibility for the DHH Community

Receipt and verification

First computed	2026-07-05T03:16:34.239973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

299a0e94b281c21cb03f7eccaf64dfb1c0740a039fbb75b41ff2a32f5af4259d

Aliases

arxiv: 2109.05979 · arxiv_version: 2109.05979v2 · doi: 10.48550/arxiv.2109.05979 · pith_short_12: FGNA5FFSQHBB · pith_short_16: FGNA5FFSQHBBZMB7 · pith_short_8: FGNA5FFS

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/FGNA5FFSQHBBZMB7P3GK6ZG7WH \
  | 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: 299a0e94b281c21cb03f7eccaf64dfb1c0740a039fbb75b41ff2a32f5af4259d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ea1c1c168947540aee7fd472f82fb1d342a8298b49dd37b667270ea8ab80a4e",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-09-13T13:55:37Z",
    "title_canon_sha256": "c9e68c5f65db372415bb8c6ea5c185034d9ad95a8fe9a8279ae9171f0e20521b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.05979",
    "kind": "arxiv",
    "version": 2
  }
}