Pith Number

pith:EMS4RQEF

pith:2019:EMS4RQEFI2HZNTWB2E6Z3TZFGB

not attested not anchored not stored refs pending

Touching the stars: improving NASA 3D printed data sets with blind and visually impaired audiences

April Jubett, Kelly T.S. Williamson, Kimberly Kowal Arcand, Megan Watzke, Peter Edmonds (Smithsonian Astrophysical Observatory), Sara Price

arxiv:1906.06457 v1 · 2019-06-15 · astro-ph.IM · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EMS4RQEFI2HZNTWB2E6Z3TZFGB}

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	2026-05-17T23:43:13.619545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2325c8c085468f96cec1d13d9dcf253050ccd5975d8faddfa29e5dc679235db8

Aliases

arxiv: 1906.06457 · arxiv_version: 1906.06457v1 · doi: 10.48550/arxiv.1906.06457 · pith_short_12: EMS4RQEFI2HZ · pith_short_16: EMS4RQEFI2HZNTWB · pith_short_8: EMS4RQEF

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/EMS4RQEFI2HZNTWB2E6Z3TZFGB \
  | 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: 2325c8c085468f96cec1d13d9dcf253050ccd5975d8faddfa29e5dc679235db8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c81877dc36035f0ae0a87817674f1a2e5d4f455dcedd2c08da7b208ba87f0dbb",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-06-15T02:48:19Z",
    "title_canon_sha256": "0de164728b3b2d6b6965f3cbec03beb83b2295599976613feb5a460e3a28719b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.06457",
    "kind": "arxiv",
    "version": 1
  }
}