Pith Number

pith:MR7FS6WT

pith:2016:MR7FS6WT2JDQBRPIPW5ETCFULP

not attested not anchored not stored refs pending

An improved exact inversion formula for cone beam vector tomography

Alexander Katsevich, Dimitri Rothermel, Thomas Schuster

arxiv:1603.02825 v1 · 2016-03-09 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MR7FS6WT2JDQBRPIPW5ETCFULP}

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	2026-05-18T01:19:19.769091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

647e597ad3d24700c5e87dba4988b45bee428d0473e3e990a0d198bb96327c76

Aliases

arxiv: 1603.02825 · arxiv_version: 1603.02825v1 · doi: 10.48550/arxiv.1603.02825 · pith_short_12: MR7FS6WT2JDQ · pith_short_16: MR7FS6WT2JDQBRPI · pith_short_8: MR7FS6WT

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/MR7FS6WT2JDQBRPIPW5ETCFULP \
  | 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: 647e597ad3d24700c5e87dba4988b45bee428d0473e3e990a0d198bb96327c76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "515360cebf961739ebeee852cb9413baffb066b412636a76a0eeb76c16d466e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-03-09T09:44:30Z",
    "title_canon_sha256": "fd85db433cc1fc0f159e15db46bcc077ece8000b4b48192f062e6ff510984503"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.02825",
    "kind": "arxiv",
    "version": 1
  }
}