Pith Number

pith:FV2R255S

pith:2016:FV2R255SUVRSN3AHJBVVANPQBZ

not attested not anchored not stored refs pending

The Calder\'on problem for the conformal Laplacian

Matti Lassas, Mikko Salo, Tony Liimatainen

arxiv:1612.07939 v1 · 2016-12-23 · math.AP · math.DG · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FV2R255SUVRSN3AHJBVVANPQBZ}

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	2026-05-18T00:54:05.284561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d751d77b2a56326ec07486b5035f00e4224805146dc677f6b495ca59007e2d6

Aliases

arxiv: 1612.07939 · arxiv_version: 1612.07939v1 · doi: 10.48550/arxiv.1612.07939 · pith_short_12: FV2R255SUVRS · pith_short_16: FV2R255SUVRSN3AH · pith_short_8: FV2R255S

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/FV2R255SUVRSN3AHJBVVANPQBZ \
  | 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: 2d751d77b2a56326ec07486b5035f00e4224805146dc677f6b495ca59007e2d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a15675ded44a55ad2ec843ed6937392943152768369a5e7104cde61645e98c8e",
    "cross_cats_sorted": [
      "math.DG",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-12-23T11:23:17Z",
    "title_canon_sha256": "7a4774c69c992febdb548f32ef2f31166d6270f64cadd87581cfd94881a36da9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.07939",
    "kind": "arxiv",
    "version": 1
  }
}