Pith Number

pith:C7TE5X7C

pith:2018:C7TE5X7CMELYSSZJ2QB6KYD6CV

not attested not anchored not stored refs pending

Protocol for an Observational Study on the Effects of Early-Life Participation in Contact Sports on Later-Life Cognition in a Sample of Monozygotic and Dizygotic Swedish Twins Reared Together and Twins Reared Apart

Amanda R. Rabinowitz, Dylan S. Small, Jordan Weiss, Raiden B. Hasegawa, Sameer K. Deshpande

arxiv:1807.10558 v2 · 2018-07-27 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C7TE5X7CMELYSSZJ2QB6KYD6CV}

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	2026-07-05T00:55:26.791757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17e64edfe26117894b29d403e5607e1566977aeff8de80145b51278b3856e017

Aliases

arxiv: 1807.10558 · arxiv_version: 1807.10558v2 · doi: 10.48550/arxiv.1807.10558 · pith_short_12: C7TE5X7CMELY · pith_short_16: C7TE5X7CMELYSSZJ · pith_short_8: C7TE5X7C

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/C7TE5X7CMELYSSZJ2QB6KYD6CV \
  | 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: 17e64edfe26117894b29d403e5607e1566977aeff8de80145b51278b3856e017

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afc3034dd2f9352623bb647d291f8eca8c6134ab2f9ea72a3f8796204c8a0612",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2018-07-27T12:43:43Z",
    "title_canon_sha256": "b5729de5cf297051ab7f51bd83ef2fbd524fc110b43fe9e6f279e69682a325f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.10558",
    "kind": "arxiv",
    "version": 2
  }
}