Pith Number

pith:RGEAQGNC

pith:2013:RGEAQGNCUTJIVD5BGWRZ4EICPG

not attested not anchored not stored refs pending

Compressive X-ray phase tomography based on the transport of intensity equation

George Barbastathis, Haris Kudrolli, Jonathan C. Petruccelli, Lei Tian, Qin Miao, Vivek Nagarkar

arxiv:1304.5180 v2 · 2013-04-18 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RGEAQGNCUTJIVD5BGWRZ4EICPG}

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	2026-05-18T01:49:56.227893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89880819a2a4d28a8fa135a39e11027988d8e9ae1f0004d6d5484fa5be21dfe9

Aliases

arxiv: 1304.5180 · arxiv_version: 1304.5180v2 · doi: 10.48550/arxiv.1304.5180 · pith_short_12: RGEAQGNCUTJI · pith_short_16: RGEAQGNCUTJIVD5B · pith_short_8: RGEAQGNC

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/RGEAQGNCUTJIVD5BGWRZ4EICPG \
  | 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: 89880819a2a4d28a8fa135a39e11027988d8e9ae1f0004d6d5484fa5be21dfe9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0eac5b9af89f71834c23ea342d817aed96f28de7e26fae24013543cb39d5d2f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-04-18T16:43:27Z",
    "title_canon_sha256": "31a8c5bf7d684d391f5528052ca7ebd5deaebd8779523f43dacc818554442296"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5180",
    "kind": "arxiv",
    "version": 2
  }
}