Pith Number

pith:I7DMPVQK

pith:2021:I7DMPVQKJALYNTOKCWYSLTY6GW

not attested not anchored not stored refs pending

One-step inversion algorithms for spectral CT, with application to dynamic Cone Beam CT

Frederic Jolivet, Georg Schramm, Johan Nuyts

arxiv:2112.09375 v2 · 2021-12-17 · physics.med-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I7DMPVQKJALYNTOKCWYSLTY6GW}

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	2026-07-05T03:43:06.817389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47c6c7d60a481786cdca15b125cf1e35aa7b3b92b59adedafc3c216d23d195ea

Aliases

arxiv: 2112.09375 · arxiv_version: 2112.09375v2 · doi: 10.48550/arxiv.2112.09375 · pith_short_12: I7DMPVQKJALY · pith_short_16: I7DMPVQKJALYNTOK · pith_short_8: I7DMPVQK

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/I7DMPVQKJALYNTOKCWYSLTY6GW \
  | 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: 47c6c7d60a481786cdca15b125cf1e35aa7b3b92b59adedafc3c216d23d195ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb588620d0e0ad593dce4a984e8ca64192bba7262c0938320976cf9de6047316",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2021-12-17T08:15:01Z",
    "title_canon_sha256": "228edb6a754ca7f9bfff35a235f5f3856f0fa03e9dc5ce9f8fa3ef74336451d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.09375",
    "kind": "arxiv",
    "version": 2
  }
}