Pith Number

pith:RRQFSAVF

pith:2016:RRQFSAVFGEXWVYW3AAXORMU2U4

not attested not anchored not stored refs pending

Proton radiography to improve proton radiotherapy: Simulation study at different proton beam energies

A.K. Biegun, E.R. van der Graaf, Jun Takatsu, J. Visser, M-J. van Goethem, M. van Beuzekom, S. Brandenburg

arxiv:1601.08074 v1 · 2016-01-29 · 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{RRQFSAVFGEXWVYW3AAXORMU2U4}

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	2026-05-17T23:45:41.520769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c605902a5312f6ae2db002ee8b29aa703bf85732fedc0562cb0419af17d29fa

Aliases

arxiv: 1601.08074 · arxiv_version: 1601.08074v1 · doi: 10.48550/arxiv.1601.08074 · pith_short_12: RRQFSAVFGEXW · pith_short_16: RRQFSAVFGEXWVYW3 · pith_short_8: RRQFSAVF

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/RRQFSAVFGEXWVYW3AAXORMU2U4 \
  | 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: 8c605902a5312f6ae2db002ee8b29aa703bf85732fedc0562cb0419af17d29fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac50b7511499d56735ac8a23858c2f3a210cccd4a965bc2d952e97d9782ea750",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2016-01-29T12:06:42Z",
    "title_canon_sha256": "aaa803516126fd412e0351c2c3916d38a101af48aa501a2a5040239b4b78f8f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.08074",
    "kind": "arxiv",
    "version": 1
  }
}