Pith Number

pith:R6BDVX4W

pith:2018:R6BDVX4WPQ4LEUYVE4Z7T6AD6Z

not attested not anchored not stored refs pending

On Geometric Prototype And Applications

Hu Ding, Manni Liu

arxiv:1804.09655 v1 · 2018-04-25 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R6BDVX4WPQ4LEUYVE4Z7T6AD6Z}

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	2026-05-18T00:17:31.142114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f823adf967c38b253152733f9f803f679288a265b8f3e4179fa941d8f428c67

Aliases

arxiv: 1804.09655 · arxiv_version: 1804.09655v1 · doi: 10.48550/arxiv.1804.09655 · pith_short_12: R6BDVX4WPQ4L · pith_short_16: R6BDVX4WPQ4LEUYV · pith_short_8: R6BDVX4W

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/R6BDVX4WPQ4LEUYVE4Z7T6AD6Z \
  | 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: 8f823adf967c38b253152733f9f803f679288a265b8f3e4179fa941d8f428c67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c780a839506e732ec4659c36d7485cafdbbdca03158dc48af3d5dab44069425",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2018-04-25T16:16:37Z",
    "title_canon_sha256": "f3c047b2889ce8c0c89de65bcaa765466aa98a4a85c2285ef1cfd4176c98e729"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09655",
    "kind": "arxiv",
    "version": 1
  }
}