Pith Number

pith:INN5P2ES

pith:2021:INN5P2ESGPBLAR4RD4RC7VEU6O

not attested not anchored not stored refs pending

Popular differences for right isosceles triangles

Vjekoslav Kova\v{c}

arxiv:2101.12714 v3 · 2021-01-29 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{INN5P2ESGPBLAR4RD4RC7VEU6O}

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	2026-07-05T03:37:24.908653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

435bd7e89233c2b047911f222fd494f39c4fee087e092445cb69b49cfa400549

Aliases

arxiv: 2101.12714 · arxiv_version: 2101.12714v3 · doi: 10.48550/arxiv.2101.12714 · pith_short_12: INN5P2ESGPBL · pith_short_16: INN5P2ESGPBLAR4R · pith_short_8: INN5P2ES

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/INN5P2ESGPBLAR4RD4RC7VEU6O \
  | 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: 435bd7e89233c2b047911f222fd494f39c4fee087e092445cb69b49cfa400549

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b18f096e6251ae67ebfcc21cccb45c340c563f82ee17206b6f2afeb21db5c7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2021-01-29T18:16:06Z",
    "title_canon_sha256": "164e25b421a426c860db2abd6e16af65e7c71f8abe8da70b90663814955563c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.12714",
    "kind": "arxiv",
    "version": 3
  }
}