Pith Number

pith:OGTPYH4U

pith:2012:OGTPYH4UNNOUC3EGY4U6VCHYWC

not attested not anchored not stored refs pending

Extension of self-seeding scheme with single crystal monochromator to lower energy < 5 keV as a way to generate multi-TW scale pulses at the European XFEL

Evgeni Saldin, Gianluca Geloni, Vitali Kocharyan

arxiv:1207.1981 v1 · 2012-07-09 · 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{OGTPYH4UNNOUC3EGY4U6VCHYWC}

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	2026-05-18T03:51:26.415448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71a6fc1f946b5d416c86c729ea88f8b08ec0a36402447375b3e0609082cf15f1

Aliases

arxiv: 1207.1981 · arxiv_version: 1207.1981v1 · doi: 10.48550/arxiv.1207.1981 · pith_short_12: OGTPYH4UNNOU · pith_short_16: OGTPYH4UNNOUC3EG · pith_short_8: OGTPYH4U

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/OGTPYH4UNNOUC3EGY4U6VCHYWC \
  | 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: 71a6fc1f946b5d416c86c729ea88f8b08ec0a36402447375b3e0609082cf15f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c21995e9febdf7beed060564254ac7ba8c488cb6b292832b242b80e036334c5d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2012-07-09T08:16:36Z",
    "title_canon_sha256": "db7b6f80dc90800f16db99a0289de734c924be745e33890b07af8c8681e30879"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1981",
    "kind": "arxiv",
    "version": 1
  }
}