Pith Number

pith:IACZ55IQ

pith:2016:IACZ55IQU4PZ3MZZZZCYVWVEI7

not attested not anchored not stored refs pending

Reconstruction algorithms for a class of restricted ray transforms without added singularities

Alexander Katsevich

arxiv:1603.07617 v1 · 2016-03-17 · math.CA · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IACZ55IQU4PZ3MZZZZCYVWVEI7}

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	2026-05-18T01:18:20.354372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40059ef510a71f9db339ce458adaa447f075a1128ef8b145903c70900a8a0e07

Aliases

arxiv: 1603.07617 · arxiv_version: 1603.07617v1 · doi: 10.48550/arxiv.1603.07617 · pith_short_12: IACZ55IQU4PZ · pith_short_16: IACZ55IQU4PZ3MZZ · pith_short_8: IACZ55IQ

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/IACZ55IQU4PZ3MZZZZCYVWVEI7 \
  | 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: 40059ef510a71f9db339ce458adaa447f075a1128ef8b145903c70900a8a0e07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "074f37f5895c39bb2771a212353e06bbd29680bfb2b7018e620ce03b9bccfecb",
    "cross_cats_sorted": [
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2016-03-17T01:16:10Z",
    "title_canon_sha256": "f9c919506a830f18ba9ae66260ac7e99167349b5e248ae14cf33d4b1125d207c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.07617",
    "kind": "arxiv",
    "version": 1
  }
}