Pith Number

pith:BOBWI67Q

pith:2022:BOBWI67QI3F7BMJIIMEYEMG76Z

not attested not anchored not stored refs pending

On-the-fly 3D metrology of volumetric additive manufacturing

Antony Orth, Chantal Paquet, Daniel Webber, Derek Aranguren van Egmond, Dorothy Fathi, Jonathan Boisvert, Kathleen L. Sampson, Kayley Ting, Kurtis Laqua, Thomas Lacelle, Yujie Zhang

arxiv:2202.04644 v1 · 2022-02-07 · eess.IV · cs.GR · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BOBWI67QI3F7BMJIIMEYEMG76Z}

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	2026-07-05T03:55:39.845965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b83647bf046cbf0b12843098230dff6513c50aeba46da05c3f34458bf258ded

Aliases

arxiv: 2202.04644 · arxiv_version: 2202.04644v1 · doi: 10.48550/arxiv.2202.04644 · pith_short_12: BOBWI67QI3F7 · pith_short_16: BOBWI67QI3F7BMJI · pith_short_8: BOBWI67Q

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/BOBWI67QI3F7BMJIIMEYEMG76Z \
  | 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: 0b83647bf046cbf0b12843098230dff6513c50aeba46da05c3f34458bf258ded

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e329d0d0f8171fa44dca6435e63bb059a94224c10102e763c1434c849df3b26f",
    "cross_cats_sorted": [
      "cs.GR",
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2022-02-07T02:05:50Z",
    "title_canon_sha256": "4fa86a1164157fa6ef15cf30ea12cbbadc1730980c477d0b55c1f0caea40e61d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.04644",
    "kind": "arxiv",
    "version": 1
  }
}