Pith Number

pith:GRAUGGUJ

pith:2026:GRAUGGUJDHTSRGLGH6DYOS75AZ

not attested not anchored not stored refs pending

MERMAID-v1 PET Scanner Prototype: Initial Characterization and First Zebrafish Scans

Caroline Florack, Christian Schmidt, Ezzat Elmoujarkach, Hong Phuc Vo, Jorge Roser, Magdalena Ko{\l}odziej, Magdalena Rafecas, Rebecca Kantorek, Steven Seeger

arxiv:2606.18055 v1 · 2026-06-16 · physics.med-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{GRAUGGUJDHTSRGLGH6DYOS75AZ}

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	2026-06-19T16:10:47.249310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3441431a8919e72899663f87874bfd06754c4110c9730f79ae2cdcc8c14d943e

Aliases

arxiv: 2606.18055 · arxiv_version: 2606.18055v1 · doi: 10.48550/arxiv.2606.18055 · pith_short_12: GRAUGGUJDHTS · pith_short_16: GRAUGGUJDHTSRGLG · pith_short_8: GRAUGGUJ

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/GRAUGGUJDHTSRGLGH6DYOS75AZ \
  | 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: 3441431a8919e72899663f87874bfd06754c4110c9730f79ae2cdcc8c14d943e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11c90ef0612347b16d26f21f55588fcd4c60fc02e74b7522333d09919a08da22",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2026-06-16T15:33:01Z",
    "title_canon_sha256": "0fdd6633d801450210573347a5ca81b8fafb6a5c7abc87f17ce4328b432ae3a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.18055",
    "kind": "arxiv",
    "version": 1
  }
}