Pith Number

pith:IQYLJVHL

pith:2021:IQYLJVHLFPD7PONX62RW4N5IDF

not attested not anchored not stored refs pending

Modeling chronic pain experiences from online reports using the Reddit Reports of Chronic Pain dataset

David Martins de Matos, Diogo A.P. Nunes, Fani Neto, Joana Ferreira-Gomes

arxiv:2108.10218 v4 · 2021-08-23 · cs.CL · cs.IR · cs.SI · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IQYLJVHLFPD7PONX62RW4N5IDF}

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	2026-07-05T06:00:28.804771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4430b4d4eb2bc7f7b9b7f6a36e37a81954642317cdfe06fbfe580b44e460fb79

Aliases

arxiv: 2108.10218 · arxiv_version: 2108.10218v4 · doi: 10.48550/arxiv.2108.10218 · pith_short_12: IQYLJVHLFPD7 · pith_short_16: IQYLJVHLFPD7PONX · pith_short_8: IQYLJVHL

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/IQYLJVHLFPD7PONX62RW4N5IDF \
  | 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: 4430b4d4eb2bc7f7b9b7f6a36e37a81954642317cdfe06fbfe580b44e460fb79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd70e8290a0c574d920d7d6b02c75f41fcc876eb01fe0551b9785734ec636727",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.SI",
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-08-23T14:53:03Z",
    "title_canon_sha256": "52edde471776d376628beb09c5ce1f2e5fa2de8a1dc9d3f719a18e5fa9bba3d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.10218",
    "kind": "arxiv",
    "version": 4
  }
}