Pith Number

pith:OOUAQR4U

pith:2017:OOUAQR4UMHWF4GFEPEP7OI25IY

not attested not anchored not stored refs pending

X-ray phase-contrast radiography and tomography with a multi-aperture analyser

A. Olivo, D. Dreossi, F.A. Vittoria, L. Rigon, M. Endrizzi

arxiv:1701.06830 v1 · 2017-01-24 · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OOUAQR4UMHWF4GFEPEP7OI25IY}

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	2026-05-18T00:42:02.059085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73a808479461ec5e18a4791ff7235d4629dc823a3d3f799f89b0c333c41b8486

Aliases

arxiv: 1701.06830 · arxiv_version: 1701.06830v1 · doi: 10.48550/arxiv.1701.06830 · pith_short_12: OOUAQR4UMHWF · pith_short_16: OOUAQR4UMHWF4GFE · pith_short_8: OOUAQR4U

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/OOUAQR4UMHWF4GFEPEP7OI25IY \
  | 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: 73a808479461ec5e18a4791ff7235d4629dc823a3d3f799f89b0c333c41b8486

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adbdd41cc8cc3d3fd490312120db626e2e2d09bd76411b2d5740fd1913ff8d48",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2017-01-24T12:02:08Z",
    "title_canon_sha256": "9ade432f6078fdebcf7308976a924114f2bc8faa8df902357ba15cef2c47aa15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06830",
    "kind": "arxiv",
    "version": 1
  }
}