Pith Number

pith:43XKKBWK

pith:2017:43XKKBWK4W4XPA3FNIFDVATCPP

not attested not anchored not stored refs pending

Computed Axial Lithography (CAL): Toward Single Step 3D Printing of Arbitrary Geometries

Brett Kelly, Christopher M. Spadaccini, Hayden K. Taylor, Indrasen Bhattacharya, Maxim Shusteff, Robert M. Panas

arxiv:1705.05893 v1 · 2017-05-16 · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{43XKKBWK4W4XPA3FNIFDVATCPP}

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	2026-05-18T00:44:19.457290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6eea506cae5b97783656a0a3a82627bd9f386fb92fa256f51c4f2befeb601fd

Aliases

arxiv: 1705.05893 · arxiv_version: 1705.05893v1 · doi: 10.48550/arxiv.1705.05893 · pith_short_12: 43XKKBWK4W4X · pith_short_16: 43XKKBWK4W4XPA3F · pith_short_8: 43XKKBWK

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/43XKKBWK4W4XPA3FNIFDVATCPP \
  | 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: e6eea506cae5b97783656a0a3a82627bd9f386fb92fa256f51c4f2befeb601fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af27c9a499587e566bf00c5ac2afb90947f78bfce22cc44da4c308ea1c5f1093",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2017-05-16T19:56:58Z",
    "title_canon_sha256": "d6830813031babbc2cbc463d8362683201a0c0a4dfb783627e0b62a4ca2f8bcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.05893",
    "kind": "arxiv",
    "version": 1
  }
}