Pith Number

pith:7BS36H7B

pith:2011:7BS36H7BSJGFOL7VV65V7JN4EI

not attested not anchored not stored refs pending

On the instability of eigenvalues

Sylvain Golenia

arxiv:1101.1002 v1 · 2011-01-05 · math.SP · math-ph · math.FA · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7BS36H7BSJGFOL7VV65V7JN4EI}

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	2026-05-18T04:32:00.529275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f865bf1fe1924c572ff5afbb5fa5bc220432ae2d537ed6c1615a77c75ee9c6d8

Aliases

arxiv: 1101.1002 · arxiv_version: 1101.1002v1 · doi: 10.48550/arxiv.1101.1002 · pith_short_12: 7BS36H7BSJGF · pith_short_16: 7BS36H7BSJGFOL7V · pith_short_8: 7BS36H7B

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/7BS36H7BSJGFOL7VV65V7JN4EI \
  | 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: f865bf1fe1924c572ff5afbb5fa5bc220432ae2d537ed6c1615a77c75ee9c6d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14c4faec54bc50b1a2fa3367472196505e023752f8726335fe0f232e727a2c88",
    "cross_cats_sorted": [
      "math-ph",
      "math.FA",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2011-01-05T15:18:04Z",
    "title_canon_sha256": "3c5e08727745061aa3883866ac14e287e76d2e3d732709a2b32be64c698625d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1002",
    "kind": "arxiv",
    "version": 1
  }
}