Pith Number

pith:M6NHRKQ7

pith:2026:M6NHRKQ7QNCDGRLDFDE5K3JJ2T

not attested not anchored not stored refs pending

Powder Spreading and Layer Deposition in Metal Powder Bed Fusion

Antonello Astarita

arxiv:2606.22989 v1 · 2026-06-22 · physics.acc-ph · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M6NHRKQ7QNCDGRLDFDE5K3JJ2T}

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	2026-06-23T03:14:06.087726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

679a78aa1f834433456328c9d56d29d4fe474e82f3ccb6308449e0c47c27c638

Aliases

arxiv: 2606.22989 · arxiv_version: 2606.22989v1 · doi: 10.48550/arxiv.2606.22989 · pith_short_12: M6NHRKQ7QNCD · pith_short_16: M6NHRKQ7QNCDGRLD · pith_short_8: M6NHRKQ7

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/M6NHRKQ7QNCDGRLDFDE5K3JJ2T \
  | 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: 679a78aa1f834433456328c9d56d29d4fe474e82f3ccb6308449e0c47c27c638

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8e298a2cd4ba74c1faa05897c30c49ddb3e7226974378148a633df7a71836c2",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2026-06-22T08:09:16Z",
    "title_canon_sha256": "843e40879b7752264f455937af15c7bf79b49af1c118afba30e1edf6fecba197"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.22989",
    "kind": "arxiv",
    "version": 1
  }
}