Pith Number

pith:KG64XS3V

pith:2015:KG64XS3VZSKCGSQI5AWO5UIYU6

not attested not anchored not stored refs pending

Printed Perforated Lampshades for Continuous Projective Images

Andrei Sharf, Baoquan Chen, Daniel Cohen-Or, Dani Lischinski, Haisen Zhao, Lin Lu, Yuan Wei

arxiv:1510.03023 v1 · 2015-10-11 · 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{KG64XS3VZSKCGSQI5AWO5UIYU6}

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	2026-05-18T01:30:32.942278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51bdcbcb75cc94234a08e82ceed118a79f45ace1dcb2bf180f44ae3ca7337a05

Aliases

arxiv: 1510.03023 · arxiv_version: 1510.03023v1 · doi: 10.48550/arxiv.1510.03023 · pith_short_12: KG64XS3VZSKC · pith_short_16: KG64XS3VZSKCGSQI · pith_short_8: KG64XS3V

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/KG64XS3VZSKCGSQI5AWO5UIYU6 \
  | 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: 51bdcbcb75cc94234a08e82ceed118a79f45ace1dcb2bf180f44ae3ca7337a05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf3ace51ae7cdad04458c9a669685a193ddd719199f738a85437b288c0fe3976",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2015-10-11T08:13:38Z",
    "title_canon_sha256": "b2ea3baf98cd80669e50b0983881993467450d1dbd6c5caed44495b9560aa609"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.03023",
    "kind": "arxiv",
    "version": 1
  }
}