Pith Number

pith:GBVL6XZK

pith:2013:GBVL6XZKNCUL2XVXZMF6AI4GEO

not attested not anchored not stored refs pending

Simultaneous maximum-likelihood reconstruction for x-ray grating based phase-contrast tomography avoiding intermediate phase retrieval

2), (2) University of Erlangen, Andr\'e Ritter (1), Erlangen, Erlangen Centre for Astroparticle Physics, Florian Bayer (1), Germany, Germany), Gisela Anton (1) ((1) University of Erlangen, Jens Rieger (1), J\"urgen Durst (1), Karl G\"odel (1), Lukas Wucherer (1), Pattern Recognition Lab, Thilo Michel (1), Thomas Weber (1), Wilhelm Haas (1

arxiv:1307.7912 v1 · 2013-07-30 · physics.med-ph · physics.comp-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{GBVL6XZKNCUL2XVXZMF6AI4GEO}

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	2026-05-18T03:17:13.103610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

306abf5f2a68a8bd5eb7cb0be02386238ed27a30b11947c907baa8637501b40b

Aliases

arxiv: 1307.7912 · arxiv_version: 1307.7912v1 · doi: 10.48550/arxiv.1307.7912 · pith_short_12: GBVL6XZKNCUL · pith_short_16: GBVL6XZKNCUL2XVX · pith_short_8: GBVL6XZK

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/GBVL6XZKNCUL2XVXZMF6AI4GEO \
  | 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: 306abf5f2a68a8bd5eb7cb0be02386238ed27a30b11947c907baa8637501b40b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "875d3e541be92fc38937cb42e1ce6d8116645adf6f7a1ca572bbc089b04af61f",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2013-07-30T11:18:42Z",
    "title_canon_sha256": "668367fe22ebcbca82bfff657855eb9c59bc701d52f2ae8109eb18892b05e4e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7912",
    "kind": "arxiv",
    "version": 1
  }
}