Pith Number

pith:4QM75A5T

pith:2015:4QM75A5TQKQ3SGUJOSHTZFRGVG

not attested not anchored not stored refs pending

Future Supply of Medical Radioisotopes for the UK Report 2014

Adrian Hall, Alan Perkins, Andrew Scarsbrook, Audrey Paterson, Beverley Ellis, Brian Neilly, Glenn Flux, Hywel Owen, Jim Ballinger, John Buscombe, Louise Fraser, Rob Clarke, Sarah Allen

arxiv:1501.03071 v1 · 2015-01-13 · 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{4QM75A5TQKQ3SGUJOSHTZFRGVG}

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	2026-05-18T02:29:30.571629Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e419fe83b382a1b91a89748f3c9626a9832f99d13401ed1eff9364c6c6e778f3

Aliases

arxiv: 1501.03071 · arxiv_version: 1501.03071v1 · doi: 10.48550/arxiv.1501.03071 · pith_short_12: 4QM75A5TQKQ3 · pith_short_16: 4QM75A5TQKQ3SGUJ · pith_short_8: 4QM75A5T

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/4QM75A5TQKQ3SGUJOSHTZFRGVG \
  | 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: e419fe83b382a1b91a89748f3c9626a9832f99d13401ed1eff9364c6c6e778f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "becd9c4a05fff030303b33dcc2a54ea2de35b71948a16d0da8ebc1c8ec89c6cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2015-01-13T16:51:17Z",
    "title_canon_sha256": "7b4904cee93980e5d03a214f0f52ca36d2deb5b88b63116e9507fca5c3f475f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.03071",
    "kind": "arxiv",
    "version": 1
  }
}