Pith Number

pith:YUPHAOQY

pith:2017:YUPHAOQYNCWF65IUI6ODCO7W3R

not attested not anchored not stored refs pending

Efficient tensor tomography in fan-beam coordinates. II: Attenuated transforms

Fran\c{c}ois Monard

arxiv:1704.08294 v2 · 2017-04-26 · 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{YUPHAOQYNCWF65IUI6ODCO7W3R}

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	2026-05-18T00:31:31.185233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c51e703a1868ac5f7514479c313bf6dc4b1b72f9f8cd9ef1f6e4f65540d0e593

Aliases

arxiv: 1704.08294 · arxiv_version: 1704.08294v2 · doi: 10.48550/arxiv.1704.08294 · pith_short_12: YUPHAOQYNCWF · pith_short_16: YUPHAOQYNCWF65IU · pith_short_8: YUPHAOQY

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/YUPHAOQYNCWF65IUI6ODCO7W3R \
  | 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: c51e703a1868ac5f7514479c313bf6dc4b1b72f9f8cd9ef1f6e4f65540d0e593

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de8a580a71541180e9d24949e0de89a71718ca338a729aea711f274920d7783f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-04-26T18:51:31Z",
    "title_canon_sha256": "46eb3a934aa6dd3342333139ab6cc85a4d2d85e03edf210f54dd453778ac6ca7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08294",
    "kind": "arxiv",
    "version": 2
  }
}