Pith Number

pith:F3RRZEQ6

pith:2018:F3RRZEQ6YMUFBVW2XH6VUICMIB

not attested not anchored not stored refs pending

Quasi boundary triples, self-adjoint extensions, and Robin Laplacians on the half-space

Jussi Behrndt, Peter Schlosser

arxiv:1803.06974 v1 · 2018-03-19 · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F3RRZEQ6YMUFBVW2XH6VUICMIB}

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	2026-05-18T00:20:40.688610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ee31c921ec32850d6dab9fd5a204c4043513fabb09be592691cd7bb85000ef9

Aliases

arxiv: 1803.06974 · arxiv_version: 1803.06974v1 · doi: 10.48550/arxiv.1803.06974 · pith_short_12: F3RRZEQ6YMUF · pith_short_16: F3RRZEQ6YMUFBVW2 · pith_short_8: F3RRZEQ6

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/F3RRZEQ6YMUFBVW2XH6VUICMIB \
  | 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: 2ee31c921ec32850d6dab9fd5a204c4043513fabb09be592691cd7bb85000ef9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4554a01e50aa250290d7a70795e76b5790acfa1631b15d70bcfabd02fcf08558",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2018-03-19T15:02:47Z",
    "title_canon_sha256": "2d07ebe8ea7f0131f8cdc9625f49509394497c999d7c63b12880db096c753058"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06974",
    "kind": "arxiv",
    "version": 1
  }
}