Pith Number

pith:K26S6XVO

pith:2025:K26S6XVOATN64I3A63XBCSSAQL

not attested not anchored not stored refs pending

Concept of an Infrared FEL for the Chemical Dynamics Research Laboratory at PETRA IV

Evgeny Saldin

arxiv:2501.12885 v1 · 2025-01-22 · 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{K26S6XVOATN64I3A63XBCSSAQL}

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	2026-07-05T10:04:00.060286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56bd2f5eae04dbee2360f6ee114a4082d084046090e42db1ceebb6836770d539

Aliases

arxiv: 2501.12885 · arxiv_version: 2501.12885v1 · doi: 10.48550/arxiv.2501.12885 · pith_short_12: K26S6XVOATN6 · pith_short_16: K26S6XVOATN64I3A · pith_short_8: K26S6XVO

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/K26S6XVOATN64I3A63XBCSSAQL \
  | 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: 56bd2f5eae04dbee2360f6ee114a4082d084046090e42db1ceebb6836770d539

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17062f140ea6ceb16bb20f6c3318dd800054dda9a43a0d4a1df0b2e7b68a6bfc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2025-01-22T13:52:29Z",
    "title_canon_sha256": "1cdca763a51e8f56f2c4c22390c051ebf7a1fdf2e2c452bbeeb68d569e995491"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.12885",
    "kind": "arxiv",
    "version": 1
  }
}