Pith Number

pith:6SJU6AKF

pith:2018:6SJU6AKFKJKSBUNU7Y4JS4LY45

not attested not anchored not stored refs pending

On Darboux Theorem for symplectic forms on direct limits of symplectic Banach manifolds

F. Pelletier

arxiv:1807.04501 v1 · 2018-07-12 · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6SJU6AKFKJKSBUNU7Y4JS4LY45}

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	2026-05-17T23:55:14.095073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4934f0145525520d1b4fe38997178e7500973c80de4c7ec48188791d6fd99de

Aliases

arxiv: 1807.04501 · arxiv_version: 1807.04501v1 · doi: 10.48550/arxiv.1807.04501 · pith_short_12: 6SJU6AKFKJKS · pith_short_16: 6SJU6AKFKJKSBUNU · pith_short_8: 6SJU6AKF

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/6SJU6AKFKJKSBUNU7Y4JS4LY45 \
  | 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: f4934f0145525520d1b4fe38997178e7500973c80de4c7ec48188791d6fd99de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26134d4cc55a103a94832895dd496a2bfd9b99042eb6f84982a101ebc8911227",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2018-07-12T09:55:07Z",
    "title_canon_sha256": "2602d6797427020270da641746b01001a46d92d685af6892aed9104aa122d6f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04501",
    "kind": "arxiv",
    "version": 1
  }
}