Pith Number

pith:7MKZV2IW

pith:2012:7MKZV2IWUQKTBZ3ADEPTQFZNCZ

not attested not anchored not stored refs pending

Variational bounds for a dyadic model of the bilinear Hilbert transform

Eyvindur Ari Palsson, Richard Oberlin, Yen Do

arxiv:1203.5135 v1 · 2012-03-22 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7MKZV2IWUQKTBZ3ADEPTQFZNCZ}

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	2026-05-18T03:59:26.793713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb159ae916a41530e760191f38172d1672887ba23abdd11b2cb7586a374535ee

Aliases

arxiv: 1203.5135 · arxiv_version: 1203.5135v1 · doi: 10.48550/arxiv.1203.5135 · pith_short_12: 7MKZV2IWUQKT · pith_short_16: 7MKZV2IWUQKTBZ3A · pith_short_8: 7MKZV2IW

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/7MKZV2IWUQKTBZ3ADEPTQFZNCZ \
  | 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: fb159ae916a41530e760191f38172d1672887ba23abdd11b2cb7586a374535ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fec014f97635c2c375be0297c11ab4e923cc4c7772098c29946995f57be0ecb0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2012-03-22T21:49:26Z",
    "title_canon_sha256": "17668e9af58ea54853dd0e05c41e2c75021206474277c4c3a0b5cf198034eaf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.5135",
    "kind": "arxiv",
    "version": 1
  }
}