Pith Number

pith:P27AU6RB

pith:2012:P27AU6RBG36EYS5CGYTQBVSFE7

not attested not anchored not stored refs pending

From x-ray telescopes to neutron scattering: using axisymmetric mirrors to focus a neutron beam

B. D. Ramsey, B. Khaykovich, D. E. Moncton, M. V. Gubarev, Y. Bagdasarova

arxiv:1204.3104 v1 · 2012-04-13 · physics.ins-det

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P27AU6RBG36EYS5CGYTQBVSFE7}

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	2026-05-18T03:57:52.603307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ebe0a7a2136fc4c4ba2362700d64527f8bc724bd8399b93bfa56056e0ac3f81

Aliases

arxiv: 1204.3104 · arxiv_version: 1204.3104v1 · doi: 10.48550/arxiv.1204.3104 · pith_short_12: P27AU6RBG36E · pith_short_16: P27AU6RBG36EYS5C · pith_short_8: P27AU6RB

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/P27AU6RBG36EYS5CGYTQBVSFE7 \
  | 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: 7ebe0a7a2136fc4c4ba2362700d64527f8bc724bd8399b93bfa56056e0ac3f81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73c94f5647116ee28ef6a840c2a2f629be56b300486b3b1df710663348e03403",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2012-04-13T20:40:02Z",
    "title_canon_sha256": "2a5b90dceab4058af6397e643d3b49f7f32fe5a01f79eda9b2cfb45f560e3def"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3104",
    "kind": "arxiv",
    "version": 1
  }
}