Pith Number

pith:PYK2TDUL

pith:2012:PYK2TDUL2BMAF572SYAAZ2A4T2

not attested not anchored not stored refs pending

Weighted multiple interpolation and the control of perturbed semigroup systems

Birgit Jacob, Jonathan R. Partington, Sandra Pott

arxiv:1210.2699 v1 · 2012-10-09 · 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{PYK2TDUL2BMAF572SYAAZ2A4T2}

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	2026-05-18T03:43:40.873121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e15a98e8bd05802f7fa96000ce81c9e88d4ecff05302e47a3fdd1321f9e08ab

Aliases

arxiv: 1210.2699 · arxiv_version: 1210.2699v1 · doi: 10.48550/arxiv.1210.2699 · pith_short_12: PYK2TDUL2BMA · pith_short_16: PYK2TDUL2BMAF572 · pith_short_8: PYK2TDUL

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/PYK2TDUL2BMAF572SYAAZ2A4T2 \
  | 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: 7e15a98e8bd05802f7fa96000ce81c9e88d4ecff05302e47a3fdd1321f9e08ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d42c1d1e0f159d59d72b18d19cd0c33c9add3c02ecb812ea825c70a4ee5425c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2012-10-09T19:19:52Z",
    "title_canon_sha256": "3dc296e333a5335783fc224ef35e17bd348f1d3ac8e494acaee280a8ab37a8a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2699",
    "kind": "arxiv",
    "version": 1
  }
}