Pith Number

pith:SH442SMW

pith:2022:SH442SMWD6JWHTKACNTV5F3SS5

not attested not anchored not stored refs pending

Chronic pain patient narratives allow for the estimation of current pain intensity

Carlos Vaz, Daniela Oliveira, David Martins de Matos, Diogo A.P. Nunes, Fani Neto, Joana Ferreira-Gomes, Sofia Pimenta

arxiv:2210.17473 v3 · 2022-10-31 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SH442SMWD6JWHTKACNTV5F3SS5}

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	2026-07-05T08:53:14.224450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91f9cd49961f9363cd4013675e9772976242932be827c1adc1c84d2979d50e30

Aliases

arxiv: 2210.17473 · arxiv_version: 2210.17473v3 · doi: 10.48550/arxiv.2210.17473 · pith_short_12: SH442SMWD6JW · pith_short_16: SH442SMWD6JWHTKA · pith_short_8: SH442SMW

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/SH442SMWD6JWHTKACNTV5F3SS5 \
  | 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: 91f9cd49961f9363cd4013675e9772976242932be827c1adc1c84d2979d50e30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c7f3e3a78eee7def2f7e53a5a521880fe5588ad45286ace19a870c9ac59e60c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-10-31T16:59:21Z",
    "title_canon_sha256": "ea4b520ee8dafeb63fefc6b661f269d25f11abe66cd98f32fcfa62472271ff13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.17473",
    "kind": "arxiv",
    "version": 3
  }
}