Pith Number

pith:HXBTGQTD

pith:2026:HXBTGQTDUOQRGE56FUC3NYL3YN

not attested not anchored not stored refs pending

Localization from Pseudoranges: Quadrics and Duality

Gregor Kemper, Mireille Boutin

arxiv:2605.28436 v1 · 2026-05-27 · 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{HXBTGQTDUOQRGE56FUC3NYL3YN}

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	2026-05-28T01:05:18.084685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3dc3334263a3a11313be2d05b6e17bc373ff977ae8d6d64921a98b09cf0e3417

Aliases

arxiv: 2605.28436 · arxiv_version: 2605.28436v1 · doi: 10.48550/arxiv.2605.28436 · pith_short_12: HXBTGQTDUOQR · pith_short_16: HXBTGQTDUOQRGE56 · pith_short_8: HXBTGQTD

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/HXBTGQTDUOQRGE56FUC3NYL3YN \
  | 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: 3dc3334263a3a11313be2d05b6e17bc373ff977ae8d6d64921a98b09cf0e3417

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "548dd7f598117b60b5ed4b585a6a3560d8d9ca7a190ee346b69501a39fcb022e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2026-05-27T13:01:43Z",
    "title_canon_sha256": "c31d892de1029848164c55fa37ab9b38b74a040d47905771eab750f89969358b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28436",
    "kind": "arxiv",
    "version": 1
  }
}