Pith Number

pith:PDKQPS6J

pith:2018:PDKQPS6JFAQZAJ3KAZVXYZSN4G

not attested not anchored not stored refs pending

Regularizing effect of absorption terms in singular problems

Francescantonio Oliva

arxiv:1811.00083 v1 · 2018-10-31 · 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{PDKQPS6JFAQZAJ3KAZVXYZSN4G}

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	2026-05-18T00:01:48.291952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78d507cbc9282190276a066b7c664de1b1e19aded6ef267254174fbb486b2541

Aliases

arxiv: 1811.00083 · arxiv_version: 1811.00083v1 · doi: 10.48550/arxiv.1811.00083 · pith_short_12: PDKQPS6JFAQZ · pith_short_16: PDKQPS6JFAQZAJ3K · pith_short_8: PDKQPS6J

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/PDKQPS6JFAQZAJ3KAZVXYZSN4G \
  | 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: 78d507cbc9282190276a066b7c664de1b1e19aded6ef267254174fbb486b2541

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45b3568e6df4c0aae3858716dec5398017ab093e58da1fdbbc876fd1adad252d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-10-31T19:33:57Z",
    "title_canon_sha256": "1d7aac2e2603798eb5c34c27a192ec2172ecb0717d36053b246c6f9d161150f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.00083",
    "kind": "arxiv",
    "version": 1
  }
}