Pith Number

pith:SCAHAXA6

pith:2013:SCAHAXA6YWSWFAUN7XFDIUKRZD

not attested not anchored not stored refs pending

Maximizing Spectral Flux from Self-Seeding Hard X-ray FELs

Xi Yang, Yuri Shvyd'ko

arxiv:1309.7234 v1 · 2013-09-20 · 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{SCAHAXA6YWSWFAUN7XFDIUKRZD}

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	2026-05-18T03:05:47.449304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9080705c1ec5a562828dfdca345151c8f46b3f1c1e555ad77a5af87ec658dcb9

Aliases

arxiv: 1309.7234 · arxiv_version: 1309.7234v1 · doi: 10.48550/arxiv.1309.7234 · pith_short_12: SCAHAXA6YWSW · pith_short_16: SCAHAXA6YWSWFAUN · pith_short_8: SCAHAXA6

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/SCAHAXA6YWSWFAUN7XFDIUKRZD \
  | 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: 9080705c1ec5a562828dfdca345151c8f46b3f1c1e555ad77a5af87ec658dcb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3062487c93e80260f78137645e4087ac9653fa2d55b4df8d1d0817810ad867ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2013-09-20T21:23:48Z",
    "title_canon_sha256": "02314c4224dc64f97746e74d0ff30eecc067bb7a8ec52e3e34ad233ec1ee61ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7234",
    "kind": "arxiv",
    "version": 1
  }
}