Pith Number

pith:PHNCR3ZC

pith:2021:PHNCR3ZC3TMIUUSBYRIQXGQXS6

not attested not anchored not stored refs pending

Fractional Calder\'{o}n problem on a closed Riemannian manifold

Ali Feizmohammadi

arxiv:2110.07500 v2 · 2021-10-14 · math.AP · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PHNCR3ZC3TMIUUSBYRIQXGQXS6}

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.

Cited by

1 paper in Pith

Optimal Runge approximation for damped nonlocal wave equations and simultaneous determination results

Receipt and verification

First computed	2026-07-05T07:49:57.977716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79da28ef22dcd88a5241c4510b9a17979f503971bedb1c336bc1616602047a2c

Aliases

arxiv: 2110.07500 · arxiv_version: 2110.07500v2 · doi: 10.48550/arxiv.2110.07500 · pith_short_12: PHNCR3ZC3TMI · pith_short_16: PHNCR3ZC3TMIUUSB · pith_short_8: PHNCR3ZC

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/PHNCR3ZC3TMIUUSBYRIQXGQXS6 \
  | 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: 79da28ef22dcd88a5241c4510b9a17979f503971bedb1c336bc1616602047a2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fce42bce0327a34e100f7cf0ba4b58e2a0204634a6125129eaa2fa21c298657",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2021-10-14T16:19:50Z",
    "title_canon_sha256": "88f84cf9bd4710f94a4802bd7375b4b343b4d9b38f31a91fc4554d8830c3bc9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.07500",
    "kind": "arxiv",
    "version": 2
  }
}