Pith Number

pith:NYAQSTES

pith:2015:NYAQSTESTYTEYX6ZYG6FTAAOQL

not attested not anchored not stored refs pending

Noise Robustness of a Combined Phase Retrieval and Reconstruction Method for Phase-Contrast Tomography

Henning Friis Poulsen, Jakob Sauer J{\o}rgensen, Per Christian Hansen, Rasmus Dalgas Kongskov

arxiv:1505.02740 v3 · 2015-05-11 · cs.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{NYAQSTESTYTEYX6ZYG6FTAAOQL}

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	2026-05-18T01:33:51.584293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e01094c929e264c5fd9c1bc59800e82d17ab645120f4591a54b506c4c70cf21

Aliases

arxiv: 1505.02740 · arxiv_version: 1505.02740v3 · doi: 10.48550/arxiv.1505.02740 · pith_short_12: NYAQSTESTYTE · pith_short_16: NYAQSTESTYTEYX6Z · pith_short_8: NYAQSTES

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/NYAQSTESTYTEYX6ZYG6FTAAOQL \
  | 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: 6e01094c929e264c5fd9c1bc59800e82d17ab645120f4591a54b506c4c70cf21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ba1e658f250652667ec6324d4338222cdb3fffe3099b3d769dd20376f040f7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2015-05-11T19:17:33Z",
    "title_canon_sha256": "bb8dcd779b0da6d58a31bb299a9a17b07ea286fe83beddcccf2ad82dcaaaede9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02740",
    "kind": "arxiv",
    "version": 3
  }
}