Pith Number

pith:67PWDJNV

pith:2025:67PWDJNVBFUSY526GPT4ZRPICO

not attested not anchored not stored refs pending

A universal extension of helicity to topological flows

Oliver Edtmair, Sobhan Seyfaddini

arxiv:2508.10609 v1 · 2025-08-14 · math.SG · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{67PWDJNVBFUSY526GPT4ZRPICO}

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	2026-07-05T11:53:59.400744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7df61a5b509692c775e33e7ccc5e8138b5ed949fbb72de306793ff3f4c9daf2

Aliases

arxiv: 2508.10609 · arxiv_version: 2508.10609v1 · doi: 10.48550/arxiv.2508.10609 · pith_short_12: 67PWDJNVBFUS · pith_short_16: 67PWDJNVBFUSY526 · pith_short_8: 67PWDJNV

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/67PWDJNVBFUSY526GPT4ZRPICO \
  | 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: f7df61a5b509692c775e33e7ccc5e8138b5ed949fbb72de306793ff3f4c9daf2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e176b6acc0c3edffc3604bbf0de2b5606f179c8e7b0ebec09303fd95c966344d",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2025-08-14T12:53:48Z",
    "title_canon_sha256": "4e019cb98ceb67e4a19ee34bc2bc001969612a1c57ed1edcbae44bed6026d4fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.10609",
    "kind": "arxiv",
    "version": 1
  }
}