Pith Number

pith:HIH74RCX

pith:2023:HIH74RCXIOQMTNW57P2J5RQRBR

not attested not anchored not stored refs pending

Iron Oxide Nanoparticles as a Contrast Agent for Synchrotron Imaging of Sperm

Andy S. Anker, Anne Bonnin, Jon Sporring, Kirsten M. {\O}. Jensen, Klaus Qvortrup, Kristian Almstrup, Mette Bjerg Lindh{\o}j, Mie Kristensen, Susan Rudd Cooper, Tim B. Dyrby

arxiv:2309.03908 v1 · 2023-06-08 · physics.med-ph · physics.bio-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{HIH74RCXIOQMTNW57P2J5RQRBR}

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	2026-07-05T06:48:52.332362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a0ffe445743a0c9b6ddfbf49ec6110c7a69afbae09d2b62ede521b2cbb1f945

Aliases

arxiv: 2309.03908 · arxiv_version: 2309.03908v1 · doi: 10.48550/arxiv.2309.03908 · pith_short_12: HIH74RCXIOQM · pith_short_16: HIH74RCXIOQMTNW5 · pith_short_8: HIH74RCX

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/HIH74RCXIOQMTNW57P2J5RQRBR \
  | 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: 3a0ffe445743a0c9b6ddfbf49ec6110c7a69afbae09d2b62ede521b2cbb1f945

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9249e5e27ea6c1e9c373ca5179386588e53b55e040fe7f60f51337adf0063c1",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2023-06-08T07:58:50Z",
    "title_canon_sha256": "d104d6b4363f6be1ea68c568ae39e0d6882d4c4ceef43f0ec0c3808ec6a0e611"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.03908",
    "kind": "arxiv",
    "version": 1
  }
}