Pith Number

pith:Y3ZUJZDS

pith:2019:Y3ZUJZDSCTZUK5R43BX66QX2XF

not attested not anchored not stored refs pending

Neural Document Expansion with User Feedback

Cheng Luo, Chenyan Xiong, Yue Yin, Zhiyuan Liu

arxiv:1908.02938 v1 · 2019-08-08 · 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{Y3ZUJZDSCTZUK5R43BX66QX2XF}

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	2026-07-04T23:52:25.123609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6f344e47214f345763cd86fef42fab944b5d81f5ad046a6fba7b79f2e6b491e

Aliases

arxiv: 1908.02938 · arxiv_version: 1908.02938v1 · doi: 10.48550/arxiv.1908.02938 · pith_short_12: Y3ZUJZDSCTZU · pith_short_16: Y3ZUJZDSCTZUK5R4 · pith_short_8: Y3ZUJZDS

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/Y3ZUJZDSCTZUK5R43BX66QX2XF \
  | 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: c6f344e47214f345763cd86fef42fab944b5d81f5ad046a6fba7b79f2e6b491e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d744d20b3b6f22699a6e663ae5f12ec7f8971da5fd8a34c603b4ed10c5aad1b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-08-08T05:45:57Z",
    "title_canon_sha256": "4c630e2c938c6dc6b1ae5f038e3d9507dd0b4b47eb20e804fbd134709378cf0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02938",
    "kind": "arxiv",
    "version": 1
  }
}