Pith Number

pith:Q74HHS5D

pith:2012:Q74HHS5DELWPGFLSGVSIXGA6P4

not attested not anchored not stored refs pending

Partial Gaussian bounds for degenerate differential operators II

A. F. M. ter Elst, E. M. Ouhabaz

arxiv:1202.2139 v1 · 2012-02-09 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q74HHS5DELWPGFLSGVSIXGA6P4}

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	2026-05-18T04:02:38.048933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87f873cba322ecf3157235648b981e7f2247c8e2595102c505b80accfe577614

Aliases

arxiv: 1202.2139 · arxiv_version: 1202.2139v1 · doi: 10.48550/arxiv.1202.2139 · pith_short_12: Q74HHS5DELWP · pith_short_16: Q74HHS5DELWPGFLS · pith_short_8: Q74HHS5D

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/Q74HHS5DELWPGFLSGVSIXGA6P4 \
  | 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: 87f873cba322ecf3157235648b981e7f2247c8e2595102c505b80accfe577614

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dbbcd4c829dff61d675886b71d30c18766c117b5052b53948a0490f0ccdaf17",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-02-09T21:58:22Z",
    "title_canon_sha256": "8d70795bbb4fd2ad73ff338876549cde1c409ab3401e66b6185c8ac78b239f48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2139",
    "kind": "arxiv",
    "version": 1
  }
}