Pith Number

pith:V4HYQW6I

pith:2016:V4HYQW6IOUXHO2TVBG6VLUDLDR

not attested not anchored not stored refs pending

Spectral compression of single-photon-level laser pulse

Minghuang Sang, Tong Xiang, Xianfeng Chen, Yiyou Nie, Yuanhua Li

arxiv:1612.02127 v1 · 2016-12-07 · 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{V4HYQW6IOUXHO2TVBG6VLUDLDR}

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	2026-05-18T00:55:35.282023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af0f885bc8752e776a7509bd55d06b1c420daf6c5b10819c574b9ebf990f3015

Aliases

arxiv: 1612.02127 · arxiv_version: 1612.02127v1 · doi: 10.48550/arxiv.1612.02127 · pith_short_12: V4HYQW6IOUXH · pith_short_16: V4HYQW6IOUXHO2TV · pith_short_8: V4HYQW6I

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/V4HYQW6IOUXHO2TVBG6VLUDLDR \
  | 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: af0f885bc8752e776a7509bd55d06b1c420daf6c5b10819c574b9ebf990f3015

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0da871732281d2be81629a127e258658bdbdf4588f5d2c8f09e75aa2f3e2e825",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-12-07T07:00:02Z",
    "title_canon_sha256": "8fc51e31941dd4afa84d0e3cd732bfa75d465420e86fce8e4048b55d63da2ff1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.02127",
    "kind": "arxiv",
    "version": 1
  }
}