Pith Number

pith:DCKDMMHY

pith:2017:DCKDMMHYF3E6V3LCFNQTUPBCLR

not attested not anchored not stored refs pending

Semi-Automated Nasal PAP Mask Sizing using Facial Photographs

Alistair McEwan, Benjamin Johnston, Philip de Chazal

arxiv:1709.07166 v1 · 2017-09-21 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DCKDMMHYF3E6V3LCFNQTUPBCLR}

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	2026-05-18T00:32:33.752670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18943630f82ec9eaed622b613a3c225c70184d47b8a505a8c467902cd408d955

Aliases

arxiv: 1709.07166 · arxiv_version: 1709.07166v1 · doi: 10.48550/arxiv.1709.07166 · pith_short_12: DCKDMMHYF3E6 · pith_short_16: DCKDMMHYF3E6V3LC · pith_short_8: DCKDMMHY

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/DCKDMMHYF3E6V3LCFNQTUPBCLR \
  | 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: 18943630f82ec9eaed622b613a3c225c70184d47b8a505a8c467902cd408d955

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bd343f37acba1dc24b4339abb9de2a82d6ec86e1416a27c7d20e78b21e2bb48",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-09-21T06:08:58Z",
    "title_canon_sha256": "e8498341f4defc4c7acb5612cf6f8167cfe8598dc183599be14f8e7505bcef33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.07166",
    "kind": "arxiv",
    "version": 1
  }
}