Pith Number

pith:7QS24WY3

pith:2015:7QS24WY3MA5MVPZCRGHGSC3UIG

not attested not anchored not stored refs pending

Experimental comparison of various techniques for spot size measurement of high-energy x-ray source

Chenggang Li, Hong Li, Jianjun Deng, Jinming Cheng, Jinshui Shi, Nan Chen, Qin Li, Quanhong Long, Wenhua Dai, Yi Wang

arxiv:1511.07668 v2 · 2015-11-24 · physics.acc-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{7QS24WY3MA5MVPZCRGHGSC3UIG}

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	2026-05-18T01:08:12.640999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc25ae5b1b603acabf22898e690b7441bc597040c1d43e5a1e4ea49d5b513e3f

Aliases

arxiv: 1511.07668 · arxiv_version: 1511.07668v2 · doi: 10.48550/arxiv.1511.07668 · pith_short_12: 7QS24WY3MA5M · pith_short_16: 7QS24WY3MA5MVPZC · pith_short_8: 7QS24WY3

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/7QS24WY3MA5MVPZCRGHGSC3UIG \
  | 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: fc25ae5b1b603acabf22898e690b7441bc597040c1d43e5a1e4ea49d5b513e3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1eafecb26e96abf6ceac9e49f016ad5e65b339f791177198749157a9039b17de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2015-11-24T12:09:03Z",
    "title_canon_sha256": "845e19056e5b60154722343f07fff5d4e99ae399cf7cbeeb6d7a6b92aecf3b54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.07668",
    "kind": "arxiv",
    "version": 2
  }
}