Pith Number

pith:53SJ2CAQ

pith:2020:53SJ2CAQEK7CM5ZST5N3VJLXAD

not attested not anchored not stored refs pending

Third Generation Gamma Camera SPECT System

Narayan Bhusal

arxiv:2002.10707 v3 · 2020-02-25 · 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{53SJ2CAQEK7CM5ZST5N3VJLXAD}

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	2026-07-05T02:26:47.107888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eee49d081022be2677329f5bbaa57700d634e5bb272cf27496c2066f0bc9883d

Aliases

arxiv: 2002.10707 · arxiv_version: 2002.10707v3 · doi: 10.48550/arxiv.2002.10707 · pith_short_12: 53SJ2CAQEK7C · pith_short_16: 53SJ2CAQEK7CM5ZS · pith_short_8: 53SJ2CAQ

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/53SJ2CAQEK7CM5ZST5N3VJLXAD \
  | 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: eee49d081022be2677329f5bbaa57700d634e5bb272cf27496c2066f0bc9883d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8e5d9fd4d8b33d0d81ed9f6ec925f6e0557ae819257546314ed98a4ab7ecc71",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2020-02-25T07:37:17Z",
    "title_canon_sha256": "b6f0bcc9a6b3d6f83b7937120c3a937cdb1121a069706b8a7dd0e831ebc44e87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.10707",
    "kind": "arxiv",
    "version": 3
  }
}