Pith Number

pith:PORF2QBM

pith:2004:PORF2QBMPNIH4J24VQIGQPOJD4

not attested not anchored not stored refs pending

Accelerator Tests of Crystal Undulators

A.A. Petrunin, A.G. Afonin, A. Kushnirenko, C. Balasubramanian, C. Malagu, E. Milan, F. Tombolini, G. Giannini, G.I. Britvich, G. Martinelli, M. Stefancich, S. Baricordi, S. Bellucci, U.I. Uggerhoj, V.A. Maisheev, V.A. Pikalov, V. Guidi, V.I. Kotov, V.I. Terekhov, V.M. Biryukov, V.N. Chepegin, V.T. Baranov, V.V. Skorobogatov, Yu.A. Chesnokov, Yu.M. Ivanov

arxiv:physics/0412159 v1 · 2004-12-24 · 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{PORF2QBMPNIH4J24VQIGQPOJD4}

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	2026-07-04T14:44:33.223184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ba25d402c7b507e275cac10683dc91f14eff591e0f97cf93d1c74f694eea131

Aliases

arxiv: physics/0412159 · arxiv_version: physics/0412159v1 · doi: 10.48550/arxiv.physics/0412159 · pith_short_12: PORF2QBMPNIH · pith_short_16: PORF2QBMPNIH4J24 · pith_short_8: PORF2QBM

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/PORF2QBMPNIH4J24VQIGQPOJD4 \
  | 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: 7ba25d402c7b507e275cac10683dc91f14eff591e0f97cf93d1c74f694eea131

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10059bcf2358766df907821d3b180c735728760f43435e5ef04792d269270b1e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2004-12-24T10:28:26Z",
    "title_canon_sha256": "8369ec3f6076dfb4f15ee6a9acb12c17de0e48003f722964957bf19a07e3ebbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0412159",
    "kind": "arxiv",
    "version": 1
  }
}