Pith Number

pith:IXO3GILK

pith:2018:IXO3GILKTCX3F45JNXMW4FCAWQ

not attested not anchored not stored refs pending

Tomographic X-ray data of 3D emoji

Alexander Meaney, Samuli Siltanen, Zenith Purisha

arxiv:1802.09397 v1 · 2018-02-23 · physics.med-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IXO3GILKTCX3F45JNXMW4FCAWQ}

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	2026-05-18T00:22:33.800587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45ddb3216a98afb2f3a96dd96e1440b41bacc2e85d0003f3bea2029971d42e2b

Aliases

arxiv: 1802.09397 · arxiv_version: 1802.09397v1 · doi: 10.48550/arxiv.1802.09397 · pith_short_12: IXO3GILKTCX3 · pith_short_16: IXO3GILKTCX3F45J · pith_short_8: IXO3GILK

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/IXO3GILKTCX3F45JNXMW4FCAWQ \
  | 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: 45ddb3216a98afb2f3a96dd96e1440b41bacc2e85d0003f3bea2029971d42e2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b97cdeb67756910100659681c17e3fcd8febb57eda6353d4ce838a762f0149f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2018-02-23T16:21:35Z",
    "title_canon_sha256": "e36f3751499c9bcec66452d0fac36f6e45a830ecce491bfd75fd9fbedd794c03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09397",
    "kind": "arxiv",
    "version": 1
  }
}