Pith Number

pith:PNGIRSQL

pith:2026:PNGIRSQLMO2SUJ6W4DYKUXJHRD

not attested not anchored not stored refs pending

Utilizing Cognitive Signals Generated during Human Reading to Enhance Keyphrase Extraction from Microblogs

Chengzhi Zhang, Xinyi Yan, Yingyi Zhang

arxiv:2606.26485 v1 · 2026-06-25 · cs.CL · cs.DL · cs.HC · 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{PNGIRSQLMO2SUJ6W4DYKUXJHRD}

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	2026-06-26T01:15:32.487974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b4c88ca0b63b52a27d6e0f0aa5d2788cfb5a13158f4b55ad09c8f50513363ba

Aliases

arxiv: 2606.26485 · arxiv_version: 2606.26485v1 · doi: 10.48550/arxiv.2606.26485 · pith_short_12: PNGIRSQLMO2S · pith_short_16: PNGIRSQLMO2SUJ6W · pith_short_8: PNGIRSQL

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/PNGIRSQLMO2SUJ6W4DYKUXJHRD \
  | 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: 7b4c88ca0b63b52a27d6e0f0aa5d2788cfb5a13158f4b55ad09c8f50513363ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cebfb99e23cf9e95450c8e729d5b4e1bf6bd673530de54434f07cf145418e869",
    "cross_cats_sorted": [
      "cs.DL",
      "cs.HC",
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-25T00:43:12Z",
    "title_canon_sha256": "16be81b63c79decff90606decccb20c32186cce536c674c14cf6cf695611e88d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26485",
    "kind": "arxiv",
    "version": 1
  }
}