Pith Number

pith:4M73LVNM

pith:2021:4M73LVNMXW2D32U75UHJ2CE2VX

not attested not anchored not stored refs pending

Statistical Learning for Best Practices in Tattoo Removal

Deanna Needell, Jamie Haddock, Richard Yim

arxiv:2105.09065 v1 · 2021-05-19 · 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{4M73LVNMXW2D32U75UHJ2CE2VX}

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	2026-07-05T02:41:37.032683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e33fb5d5acbdb43dea9fed0e9d089aadc93442f44764975efa6549b1df443975

Aliases

arxiv: 2105.09065 · arxiv_version: 2105.09065v1 · doi: 10.48550/arxiv.2105.09065 · pith_short_12: 4M73LVNMXW2D · pith_short_16: 4M73LVNMXW2D32U7 · pith_short_8: 4M73LVNM

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/4M73LVNMXW2D32U75UHJ2CE2VX \
  | 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: e33fb5d5acbdb43dea9fed0e9d089aadc93442f44764975efa6549b1df443975

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "971e22db0b88651707189b23ad5795d0e78645be4ad8fe4070eb760a63931d4c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2021-05-19T11:21:43Z",
    "title_canon_sha256": "ff728117da13259984348352e36ddb326c1cd327a6b3e3fe5ec4df9395cae222"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.09065",
    "kind": "arxiv",
    "version": 1
  }
}