Pith Number

pith:MKCMKFBX

pith:2017:MKCMKFBXI47UJTJPPW72FNUNTK

not attested not anchored not stored refs pending

Self-supporting structure design in additive manufacturing through explicit topology optimization

Chang Liu, Jianhua Zhou, Weisheng Zhang, Xu Guo, Ying Liu, Zongliang Du

arxiv:1704.06579 v1 · 2017-04-20 · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MKCMKFBXI47UJTJPPW72FNUNTK}

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	2026-05-18T00:38:55.222804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6284c51437473f44cd2f7dbfa2b68d9a876aef80793db2a185e36a8e8fd30ff4

Aliases

arxiv: 1704.06579 · arxiv_version: 1704.06579v1 · doi: 10.48550/arxiv.1704.06579 · pith_short_12: MKCMKFBXI47U · pith_short_16: MKCMKFBXI47UJTJP · pith_short_8: MKCMKFBX

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/MKCMKFBXI47UJTJPPW72FNUNTK \
  | 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: 6284c51437473f44cd2f7dbfa2b68d9a876aef80793db2a185e36a8e8fd30ff4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb4418a9247804edaaf21789bcc6babd9e4e8394002d002b6008b26bfb92890b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2017-04-20T08:35:29Z",
    "title_canon_sha256": "c54efc51d06d19b257d8ffcbe39827efd6be78dbc1794db4e0f5b28f218ffe97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.06579",
    "kind": "arxiv",
    "version": 1
  }
}