Pith Number

pith:Z2A3G7TJ

pith:2026:Z2A3G7TJ3WZLF5JKX5OFYLXRS4

not attested not anchored not stored refs pending

Topology of isometric classes and flows of geometric structures

Daniel Fadel, Eric Loubeau

arxiv:2606.12031 v1 · 2026-06-10 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z2A3G7TJ3WZLF5JKX5OFYLXRS4}

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	2026-06-11T01:10:44.138447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce81b37e69ddb2b2f52abf5c5c2ef19709d759d826c95011dfe69f590f100fe8

Aliases

arxiv: 2606.12031 · arxiv_version: 2606.12031v1 · doi: 10.48550/arxiv.2606.12031 · pith_short_12: Z2A3G7TJ3WZL · pith_short_16: Z2A3G7TJ3WZLF5JK · pith_short_8: Z2A3G7TJ

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/Z2A3G7TJ3WZLF5JKX5OFYLXRS4 \
  | 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: ce81b37e69ddb2b2f52abf5c5c2ef19709d759d826c95011dfe69f590f100fe8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "717131f000cd484b6ba54477196ba173850d4adc82d852d4fa1b7be9883b5ced",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2026-06-10T12:55:24Z",
    "title_canon_sha256": "1b4e0f3597b0b76fe78308db3eb11f926d2cba83d5812f91791dcdd8f2292c78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.12031",
    "kind": "arxiv",
    "version": 1
  }
}