Pith Number

pith:M7SPCWHR

pith:2021:M7SPCWHRGJDUDL3DXJQ7KALHAH

not attested not anchored not stored refs pending

Metal Blossom: Laser Forming Complex and Freeform Metal Structures Imitating Flower Blooming

Edwin A. Peraza Hernandez, Huaishu Peng, Jyh-Ming Lien, Peiwen J. Ma, Yue Hao

arxiv:2111.15083 v1 · 2021-11-30 · cs.RO · 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{M7SPCWHRGJDUDL3DXJQ7KALHAH}

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	2026-07-05T03:36:22.736310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67e4f158f1324741af63ba61f5016701ed327109b8b599f02d74dc066df61035

Aliases

arxiv: 2111.15083 · arxiv_version: 2111.15083v1 · doi: 10.48550/arxiv.2111.15083 · pith_short_12: M7SPCWHRGJDU · pith_short_16: M7SPCWHRGJDUDL3D · pith_short_8: M7SPCWHR

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/M7SPCWHRGJDUDL3DXJQ7KALHAH \
  | 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: 67e4f158f1324741af63ba61f5016701ed327109b8b599f02d74dc066df61035

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e03c8c4aedb703476dee2e7a18ab8439b8583d5d3345700beba11445987c871",
    "cross_cats_sorted": [
      "cs.GR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2021-11-30T02:56:10Z",
    "title_canon_sha256": "83b453f9352216c6e8bf6addc90aff044a3acdcdde998897bb1cf417829e076a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.15083",
    "kind": "arxiv",
    "version": 1
  }
}