Pith Number

pith:Y6CBFJGQ

pith:2018:Y6CBFJGQAMDVRTYMTL2EBCANBM

not attested not anchored not stored refs pending

On bodies in $\mathbb{R}^5$ with directly congruent projections or sections

Dmitry Ryabogin, M.Angeles Alfonseca, Michelle Cordier

arxiv:1801.08987 v1 · 2018-01-26 · 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{Y6CBFJGQAMDVRTYMTL2EBCANBM}

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	2026-05-18T00:24:58.940232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c78412a4d0030758cf0c9af440880d0b1ae15aae88ff2f1b01f8191c576965b9

Aliases

arxiv: 1801.08987 · arxiv_version: 1801.08987v1 · doi: 10.48550/arxiv.1801.08987 · pith_short_12: Y6CBFJGQAMDV · pith_short_16: Y6CBFJGQAMDVRTYM · pith_short_8: Y6CBFJGQ

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/Y6CBFJGQAMDVRTYMTL2EBCANBM \
  | 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: c78412a4d0030758cf0c9af440880d0b1ae15aae88ff2f1b01f8191c576965b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae56a2200874751661040e96e5591bf6099c39319c5315b2f14e4fdf413c2fa6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2018-01-26T21:51:19Z",
    "title_canon_sha256": "222085f69bd6a7643cc994aa1d4378cb53000baea6a0419470bb5271f8b6bf2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08987",
    "kind": "arxiv",
    "version": 1
  }
}