Pith Number

pith:6WZGUIUV

pith:2014:6WZGUIUVGO43KCRPJAHHAHQI5H

not attested not anchored not stored refs pending

Unit Lengthenings of Tetrahedra

Richard Evan Schwartz

arxiv:1407.4104 v5 · 2014-07-15 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6WZGUIUVGO43KCRPJAHHAHQI5H}

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	2026-05-18T02:45:55.544074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5b26a229533b9b50a2f480e701e08e9e2aa438fa009f423dce4db49a9d0b914

Aliases

arxiv: 1407.4104 · arxiv_version: 1407.4104v5 · doi: 10.48550/arxiv.1407.4104 · pith_short_12: 6WZGUIUVGO43 · pith_short_16: 6WZGUIUVGO43KCRP · pith_short_8: 6WZGUIUV

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/6WZGUIUVGO43KCRPJAHHAHQI5H \
  | 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: f5b26a229533b9b50a2f480e701e08e9e2aa438fa009f423dce4db49a9d0b914

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb946087d36822873736c6713c8adfae2cb1c76333cb5b2b552084c826e226cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2014-07-15T19:35:58Z",
    "title_canon_sha256": "644e73bc0a0382376a1662432232fad89cf720eb51715e326e848b9b26bd4e5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4104",
    "kind": "arxiv",
    "version": 5
  }
}