Pith Number

pith:V2IXQ3CQ

pith:2020:V2IXQ3CQYHQM7VX2GTZX2LSXUB

not attested not anchored not stored refs pending

Fast tomographic inspection of cylindrical objects

Marjolein Heyndrickx, Matthieu Boone, Wannes Goethals

arxiv:2005.11976 v1 · 2020-05-25 · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V2IXQ3CQYHQM7VX2GTZX2LSXUB}

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	2026-07-05T01:39:58.651866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae91786c50c1e0cfd6fa34f37d2e57a06397fac3476fb1e837f098274a3c8c1f

Aliases

arxiv: 2005.11976 · arxiv_version: 2005.11976v1 · doi: 10.48550/arxiv.2005.11976 · pith_short_12: V2IXQ3CQYHQM · pith_short_16: V2IXQ3CQYHQM7VX2 · pith_short_8: V2IXQ3CQ

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/V2IXQ3CQYHQM7VX2GTZX2LSXUB \
  | 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: ae91786c50c1e0cfd6fa34f37d2e57a06397fac3476fb1e837f098274a3c8c1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe521463881f86b3f0c7598fcdcfb9d71ed19d98952c1b93ab56a3f924fb8761",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-05-25T08:39:12Z",
    "title_canon_sha256": "2557f4b67d5fc3ffae7fa89c24028a4de2075faa7356a5607db25c8053843228"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.11976",
    "kind": "arxiv",
    "version": 1
  }
}