Pith Number

pith:RUDIPOE3

pith:2018:RUDIPOE33IJFIOFSGS7QAZPQIZ

not attested not anchored not stored refs pending

Gradient estimates for the perfect conductivity problem in anisotropic media

Angela Sciammetta, Giulio Ciraolo

arxiv:1803.04148 v1 · 2018-03-12 · 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{RUDIPOE33IJFIOFSGS7QAZPQIZ}

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	2026-05-18T00:21:32.489853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d0687b89bda125438b234bf0065f04643b98c00aa79bc623e85ed1cd50aa0af

Aliases

arxiv: 1803.04148 · arxiv_version: 1803.04148v1 · doi: 10.48550/arxiv.1803.04148 · pith_short_12: RUDIPOE33IJF · pith_short_16: RUDIPOE33IJFIOFS · pith_short_8: RUDIPOE3

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/RUDIPOE33IJFIOFSGS7QAZPQIZ \
  | 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: 8d0687b89bda125438b234bf0065f04643b98c00aa79bc623e85ed1cd50aa0af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a074cf1aa6a262b68bac8050c8e5a36da4ed4bf5b4e75801612584a0e3056108",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-03-12T08:11:56Z",
    "title_canon_sha256": "15264899437a57c381100fa724a9726789fb1122d6cf33b58a455ea627752d56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04148",
    "kind": "arxiv",
    "version": 1
  }
}