Pith Number

pith:LDZHN6NZ

pith:2025:LDZHN6NZDDCIEORV7ROCB2MHZP

not attested not anchored not stored refs pending

Extracting Post-Acute Sequelae of SARS-CoV-2 Infection Symptoms from Clinical Notes via Hybrid Natural Language Processing

Aaron Thomas Martinez, Catherine Sinfield, Chengxi Zang, Christopher B. Forrest, Cong Sun, Fei Wang, H. Timothy Bunnell, Jacqueline Rutter, L. Charles Bailey, Mark Weiner, Rainu Kaushal, Thomas Carton, Thomas R. Campion, Yifan Peng, Zihan Xu, Zilong Bai

arxiv:2508.12405 v1 · 2025-08-17 · 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{LDZHN6NZDDCIEORV7ROCB2MHZP}

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	2026-07-05T11:55:05.234646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58f276f9b918c4823a35fc5c20e987cbdfade86c512c65da134f6712b73296f5

Aliases

arxiv: 2508.12405 · arxiv_version: 2508.12405v1 · doi: 10.48550/arxiv.2508.12405 · pith_short_12: LDZHN6NZDDCI · pith_short_16: LDZHN6NZDDCIEORV · pith_short_8: LDZHN6NZ

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/LDZHN6NZDDCIEORV7ROCB2MHZP \
  | 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: 58f276f9b918c4823a35fc5c20e987cbdfade86c512c65da134f6712b73296f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d86a09fe6d0ec39df0dcb7e15981b9c224f646d77a3148b96a18088d669daa2b",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-08-17T15:43:05Z",
    "title_canon_sha256": "0be6fe746c64e6d1daa598991ab0215c99e39fb44d6ac9f205c5fa3954f18c7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.12405",
    "kind": "arxiv",
    "version": 1
  }
}