Pith Number

pith:2HRYOIER

pith:2021:2HRYOIERK5WLLINUA3TD3JG426

not attested not anchored not stored refs pending

Differential operator Dirac structures

Arjan van der Schaft, Bernhard Maschke

arxiv:2105.01343 v1 · 2021-05-04 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2HRYOIERK5WLLINUA3TD3JG426}

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	2026-07-05T02:37:16.037163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1e3872091576cb5a1b406e63da4dcd7920aceb4da5640c20dcd486363351d06

Aliases

arxiv: 2105.01343 · arxiv_version: 2105.01343v1 · doi: 10.48550/arxiv.2105.01343 · pith_short_12: 2HRYOIERK5WL · pith_short_16: 2HRYOIERK5WLLINU · pith_short_8: 2HRYOIER

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/2HRYOIERK5WLLINUA3TD3JG426 \
  | 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: d1e3872091576cb5a1b406e63da4dcd7920aceb4da5640c20dcd486363351d06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f0639c3112eef40dfad55341e691744935fc7a00e48f5c4be6a8162698f2357",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-05-04T07:43:09Z",
    "title_canon_sha256": "e3a691a9a9690929f578dfd836a36e14ee88ac28ba8fb58dc9ac5c1f7b9d74bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.01343",
    "kind": "arxiv",
    "version": 1
  }
}