Pith Number

pith:7HH4ZQ7H

pith:2017:7HH4ZQ7HLTJNSSMOM2IGKJV2DC

not attested not anchored not stored refs pending

Generation and applications of an ultrahigh-fidelity four-photon Greenberger-Horne-Zeilinger state

Bi-Heng Liu, Chao Zhang, Chengjie Zhang, Chuan-Feng Li, Guang-Can Guo, Jian Wang, Yun-Feng Huang

arxiv:1702.04130 v1 · 2017-02-14 · quant-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{7HH4ZQ7HLTJNSSMOM2IGKJV2DC}

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	2026-05-18T00:50:48.988833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9cfccc3e75cd2d9498e66906526ba18a2c09a920d8e97b3399c90f9eeb62b93

Aliases

arxiv: 1702.04130 · arxiv_version: 1702.04130v1 · doi: 10.48550/arxiv.1702.04130 · pith_short_12: 7HH4ZQ7HLTJN · pith_short_16: 7HH4ZQ7HLTJNSSMO · pith_short_8: 7HH4ZQ7H

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/7HH4ZQ7HLTJNSSMOM2IGKJV2DC \
  | 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: f9cfccc3e75cd2d9498e66906526ba18a2c09a920d8e97b3399c90f9eeb62b93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d73fbfcc43c99318b0b5473db03603e7b04f0075205732ffc30f2ff392aae9df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-02-14T09:38:56Z",
    "title_canon_sha256": "fae261a5c93905f551c8925a715d57179d14803ff12435204052d5e2548dd37d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.04130",
    "kind": "arxiv",
    "version": 1
  }
}