Pith Number

pith:B7HUBFPH

pith:2021:B7HUBFPHSI3BUMOKTRTAWODCTB

not attested not anchored not stored refs pending

Perturbations of embedded eigenvalues for self-adjoint ODE systems

Alexia Papalazarou, Sara Maad Sasane

arxiv:2106.03574 v1 · 2021-06-07 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B7HUBFPHSI3BUMOKTRTAWODCTB}

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	2026-07-05T02:46:51.173039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fcf4095e792361a31ca9c660b386298719dbab678152dc8ed328d4917619b5a

Aliases

arxiv: 2106.03574 · arxiv_version: 2106.03574v1 · doi: 10.48550/arxiv.2106.03574 · pith_short_12: B7HUBFPHSI3B · pith_short_16: B7HUBFPHSI3BUMOK · pith_short_8: B7HUBFPH

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/B7HUBFPHSI3BUMOKTRTAWODCTB \
  | 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: 0fcf4095e792361a31ca9c660b386298719dbab678152dc8ed328d4917619b5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c1223d52533e6efd19f3d417d5d7aae0b1c8b46880fa8ac8e496c206a22cff5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2021-06-07T12:54:24Z",
    "title_canon_sha256": "64a68ce85844c42b14998b14b8f3e8c915424dfb5c2f91a9ff0c6eee20011f80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.03574",
    "kind": "arxiv",
    "version": 1
  }
}