Pith Number

pith:YGVXH6HW

pith:2012:YGVXH6HWY3CLAQ3DGBJIA5UCYG

not attested not anchored not stored refs pending

Single-shot spectra of temporally selected micropulses from a mid-infrared free-electron laser by upconversion

Heishun Zen, Hideaki Ohgaki, Takashi Nakajima, Toshiteru Kii, Xiaolong Wang

arxiv:1211.2557 v2 · 2012-11-12 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YGVXH6HWY3CLAQ3DGBJIA5UCYG}

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	2026-05-18T01:53:16.828989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1ab73f8f6c6c4b043633052807682c1bcf6e8dc3000d00934d4959d63dec51e

Aliases

arxiv: 1211.2557 · arxiv_version: 1211.2557v2 · doi: 10.48550/arxiv.1211.2557 · pith_short_12: YGVXH6HWY3CL · pith_short_16: YGVXH6HWY3CLAQ3D · pith_short_8: YGVXH6HW

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/YGVXH6HWY3CLAQ3DGBJIA5UCYG \
  | 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: c1ab73f8f6c6c4b043633052807682c1bcf6e8dc3000d00934d4959d63dec51e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c45fc4b6f56ef5a538b9446e3b9789589c06f823d91fe2f2c457927299c25db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-11-12T10:47:54Z",
    "title_canon_sha256": "2285a22335273c3f3327bfeac94cee9595e5c0f7ef56c751925ab2016da09ead"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.2557",
    "kind": "arxiv",
    "version": 2
  }
}