Pith Number

pith:7EJTC6KH

pith:2015:7EJTC6KH7BAVJKA35SAMBDJBQB

not attested not anchored not stored refs pending

Thin-disk laser multi-pass amplifier

A. Antognini, A. Vo{\ss}, B. Weichelt, D. Taqqu, F. Kottmann, K. Kirch, K. Schuhmann, M. A. Ahmed, R. Pohl, T. Graf, T. W. H\"ansch

arxiv:1509.05731 v1 · 2015-09-18 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7EJTC6KH7BAVJKA35SAMBDJBQB}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:32:42.490838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f913317947f84154a81bec80c08d218053ef6f74ef6724fc9098a1e1b9ae2681

Aliases

arxiv: 1509.05731 · arxiv_version: 1509.05731v1 · doi: 10.48550/arxiv.1509.05731 · pith_short_12: 7EJTC6KH7BAV · pith_short_16: 7EJTC6KH7BAVJKA3 · pith_short_8: 7EJTC6KH

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/7EJTC6KH7BAVJKA35SAMBDJBQB \
  | 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: f913317947f84154a81bec80c08d218053ef6f74ef6724fc9098a1e1b9ae2681

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2aec4bb714fcceb1da7518eba535f597aaab70d68c9c979d4d14cf7faf07507c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-09-18T17:51:55Z",
    "title_canon_sha256": "95033506d5e5dff4c2fb9a78a9dff8ad4edc54bed78697b3c21277974d8f6c8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05731",
    "kind": "arxiv",
    "version": 1
  }
}