Pith Number

pith:EL35WRW7

pith:2018:EL35WRW7IEARKANQZIR2J4MLUD

not attested not anchored not stored refs pending

Note on Calder\'on's inverse problem for measurable conductivities

Matteo Santacesaria

arxiv:1803.06931 v2 · 2018-03-19 · 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{EL35WRW7IEARKANQZIR2J4MLUD}

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	2026-05-17T23:42:30.789852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22f7db46df41011501b0ca23a4f18ba0edcfa3d641f9aab528a1ca86b5cf4376

Aliases

arxiv: 1803.06931 · arxiv_version: 1803.06931v2 · doi: 10.48550/arxiv.1803.06931 · pith_short_12: EL35WRW7IEAR · pith_short_16: EL35WRW7IEARKANQ · pith_short_8: EL35WRW7

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/EL35WRW7IEARKANQZIR2J4MLUD \
  | 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: 22f7db46df41011501b0ca23a4f18ba0edcfa3d641f9aab528a1ca86b5cf4376

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "952435d7ad7e499bc98697bc25d5fb91918e42b723b87448fad508f7c775b646",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-03-19T14:02:02Z",
    "title_canon_sha256": "c72cec9e9faa7e2ad4c92b6a400d4f2987ee2ac89dfce4a29aa03837e1a54009"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06931",
    "kind": "arxiv",
    "version": 2
  }
}