Pith Number

pith:W2W4EX6G

pith:2017:W2W4EX6GX3RYPA6MRGZVOBZCP4

not attested not anchored not stored refs pending

Functional model for extensions of symmetric operators and applications to scattering theory

Alexander V. Kiselev, Kirill D. Cherednichenko, Luis O. Silva

arxiv:1703.06220 v5 · 2017-03-18 · 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{W2W4EX6GX3RYPA6MRGZVOBZCP4}

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	2026-05-18T00:15:42.303634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6adc25fc6bee38783cc89b35707227f05c4547ca823dc4c3fb321ec3f292eed

Aliases

arxiv: 1703.06220 · arxiv_version: 1703.06220v5 · doi: 10.48550/arxiv.1703.06220 · pith_short_12: W2W4EX6GX3RY · pith_short_16: W2W4EX6GX3RYPA6M · pith_short_8: W2W4EX6G

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/W2W4EX6GX3RYPA6MRGZVOBZCP4 \
  | 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: b6adc25fc6bee38783cc89b35707227f05c4547ca823dc4c3fb321ec3f292eed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b39dac0f847c2747c6e75352beac8f95ead848587f20aaf65b9dc64e43ecefc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2017-03-18T00:01:50Z",
    "title_canon_sha256": "02b85999f2d1d0dab821bfad45f33b549a5d662552870b3a43879791d433bf7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.06220",
    "kind": "arxiv",
    "version": 5
  }
}