Pith Number

pith:RMQRVY6M

pith:2010:RMQRVY6MWPAV5L5UIZVK3IKUF5

not attested not anchored not stored refs pending

On the Approximation of Contractive Semigroups of Operators in Discretizable Hilbert Spaces

Fredy Vides

arxiv:1012.5106 v1 · 2010-12-22 · math.NA · 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{RMQRVY6MWPAV5L5UIZVK3IKUF5}

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	2026-05-18T04:32:35.803944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b211ae3ccb3c15eafb4466aada1542f4cf39b0e3f08b578064ba482024aa68e

Aliases

arxiv: 1012.5106 · arxiv_version: 1012.5106v1 · doi: 10.48550/arxiv.1012.5106 · pith_short_12: RMQRVY6MWPAV · pith_short_16: RMQRVY6MWPAV5L5U · pith_short_8: RMQRVY6M

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/RMQRVY6MWPAV5L5UIZVK3IKUF5 \
  | 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: 8b211ae3ccb3c15eafb4466aada1542f4cf39b0e3f08b578064ba482024aa68e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4941158eed5821aed308f4e8d3b0b1e35d9e74df2999d520644c45b84a9f2ce",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2010-12-22T21:19:47Z",
    "title_canon_sha256": "cf24b52e235d1792d0ec9f541b033f55a7002fbbab6e23e98c5d36c703f75ce7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.5106",
    "kind": "arxiv",
    "version": 1
  }
}