Pith Number

pith:J25SV6IU

pith:2018:J25SV6IUUBWLI3DAMFKJA4INXB

not attested not anchored not stored refs pending

The Calder\'on problem for the fractional Schr\"odinger equation with drift

Angkana R\"uland, Mihajlo Ceki\'c, Yi-Hsuan Lin

arxiv:1810.04211 v2 · 2018-10-09 · 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{J25SV6IUUBWLI3DAMFKJA4INXB}

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	2026-05-17T23:58:08.397029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ebb2af914a06cb46c60615490710db87be55d9e0161ee080026934e5922538c

Aliases

arxiv: 1810.04211 · arxiv_version: 1810.04211v2 · doi: 10.48550/arxiv.1810.04211 · pith_short_12: J25SV6IUUBWL · pith_short_16: J25SV6IUUBWLI3DA · pith_short_8: J25SV6IU

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/J25SV6IUUBWLI3DAMFKJA4INXB \
  | 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: 4ebb2af914a06cb46c60615490710db87be55d9e0161ee080026934e5922538c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a981b7e28cc0e69f0b7c09c47cca58c04fb2e29de31b02bf3db8df141224f4d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-10-09T18:44:50Z",
    "title_canon_sha256": "c0bdd5d70a441d81f6972cddc8314cae98508ef26307a3ad0efa1e58ec18963c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.04211",
    "kind": "arxiv",
    "version": 2
  }
}