Pith Number

pith:GEVRQ5RQ

pith:2018:GEVRQ5RQVWJPSTYE767HFEVDBQ

not attested not anchored not stored refs pending

Geometric Median Shapes

Alexandre Cunha

arxiv:1810.12445 v3 · 2018-10-29 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GEVRQ5RQVWJPSTYE767HFEVDBQ}

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	2026-05-17T23:48:31.763865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

312b187630ad92f94f04ffbe7292a30c0d061f93126c47de877bb78595fbd121

Aliases

arxiv: 1810.12445 · arxiv_version: 1810.12445v3 · doi: 10.48550/arxiv.1810.12445 · pith_short_12: GEVRQ5RQVWJP · pith_short_16: GEVRQ5RQVWJPSTYE · pith_short_8: GEVRQ5RQ

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/GEVRQ5RQVWJPSTYE767HFEVDBQ \
  | 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: 312b187630ad92f94f04ffbe7292a30c0d061f93126c47de877bb78595fbd121

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1edc86bdeb6bca718013a72b60fb2ca3b88f954f918aa6c209caad2bb3a6bf31",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-10-29T22:50:26Z",
    "title_canon_sha256": "84c6a71c4fc43b5082fcc00652f5e3b1db3f34de68efea0e5c2ecb0786751d7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.12445",
    "kind": "arxiv",
    "version": 3
  }
}