Pith Number

pith:5IL3ALH4

pith:2017:5IL3ALH4SQJKBXEXCIIYXKACPM

not attested not anchored not stored refs pending

The linearized Calderon problem in transversally anisotropic geometries

David Dos Santos Ferreira, Matti Lassas, Mikko Salo, Tony Liimatainen, Yaroslav Kurylev

arxiv:1712.04716 v1 · 2017-12-13 · math.AP · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5IL3ALH4SQJKBXEXCIIYXKACPM}

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	2026-05-18T00:02:18.333470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea17b02cfc9412a0dc9712118ba8027b054e85c176ac6fae95e01b07d28042ac

Aliases

arxiv: 1712.04716 · arxiv_version: 1712.04716v1 · doi: 10.48550/arxiv.1712.04716 · pith_short_12: 5IL3ALH4SQJK · pith_short_16: 5IL3ALH4SQJKBXEX · pith_short_8: 5IL3ALH4

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/5IL3ALH4SQJKBXEXCIIYXKACPM \
  | 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: ea17b02cfc9412a0dc9712118ba8027b054e85c176ac6fae95e01b07d28042ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b6b624d2247dff9cd2cd956601f647d3cd8c1871b9c7eb3cef9e597ff462d53",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-12-13T11:36:27Z",
    "title_canon_sha256": "4b306b63d79d925d82532287c9cf7beba379f5e8deb49831f23c76061d61a685"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.04716",
    "kind": "arxiv",
    "version": 1
  }
}