Pith Number

pith:DXKHB4OO

pith:2017:DXKHB4OOU4XJTA2QA5VXPC6XOQ

not attested not anchored not stored refs pending

Tensor tomography in periodic slabs

Gunther Uhlmann, Joonas Ilmavirta

arxiv:1707.01343 v1 · 2017-07-05 · math.DG · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DXKHB4OOU4XJTA2QA5VXPC6XOQ}

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	2026-05-18T00:40:53.065928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1dd470f1cea72e998350076b778bd7741a1e6b1ca9a3ef2edd2332f2c1ce156e

Aliases

arxiv: 1707.01343 · arxiv_version: 1707.01343v1 · doi: 10.48550/arxiv.1707.01343 · pith_short_12: DXKHB4OOU4XJ · pith_short_16: DXKHB4OOU4XJTA2Q · pith_short_8: DXKHB4OO

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/DXKHB4OOU4XJTA2QA5VXPC6XOQ \
  | 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: 1dd470f1cea72e998350076b778bd7741a1e6b1ca9a3ef2edd2332f2c1ce156e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f300acdaf98e70faeb722d26c78424174cb36455bc4dad196c578c5f4857a28",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-07-05T12:11:17Z",
    "title_canon_sha256": "62a3a027b2d0ce5d2b1d4c763ef2145c556dcaa2e7bd4fb251fec485792b4b97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01343",
    "kind": "arxiv",
    "version": 1
  }
}