Pith Number

pith:OAVZE5U5

pith:2025:OAVZE5U5J7G2PZGZAY433ODDI4

not attested not anchored not stored refs pending

To Measure What Isn't There -- Visual Exploration of Missingness Structures Using Quality Metrics

Alison Yarnall, Lynn Rochester, Sarah Alsufyani, Sara Johansson Fernstad, Silvia Del Din

arxiv:2505.23447 v1 · 2025-05-29 · cs.GR · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OAVZE5U5J7G2PZGZAY433ODDI4}

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	2026-07-05T11:12:02.014370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

702b92769d4fcda7e4d90639bdb8634728d5bccab77f7f3c3db0bf13dbcd551a

Aliases

arxiv: 2505.23447 · arxiv_version: 2505.23447v1 · doi: 10.48550/arxiv.2505.23447 · pith_short_12: OAVZE5U5J7G2 · pith_short_16: OAVZE5U5J7G2PZGZ · pith_short_8: OAVZE5U5

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/OAVZE5U5J7G2PZGZAY433ODDI4 \
  | 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: 702b92769d4fcda7e4d90639bdb8634728d5bccab77f7f3c3db0bf13dbcd551a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7423e57c059df17b352ca23fd978ed41868151df251f97f35b2b21c8484ba6f8",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2025-05-29T13:51:34Z",
    "title_canon_sha256": "d0192a950c2de270aac90a97e2ae2c617f57775d05f981aff00de77356d37bd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.23447",
    "kind": "arxiv",
    "version": 1
  }
}