Pith Number

pith:2VCNIFAF

pith:2020:2VCNIFAFK3GH6BHCSM7SUA4LFX

not attested not anchored not stored refs pending

Quantum teleportation and entanglement swapping with long baseline in outer space

B. L. Hu, Shih-Yuin Lin

arxiv:2012.07590 v1 · 2020-12-14 · quant-ph · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2VCNIFAFK3GH6BHCSM7SUA4LFX}

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	2026-07-05T03:04:44.480230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d544d4140556cc7f04e2933f2a038b2dd63ba98c98c73350c1f7e323c4793e4e

Aliases

arxiv: 2012.07590 · arxiv_version: 2012.07590v1 · doi: 10.48550/arxiv.2012.07590 · pith_short_12: 2VCNIFAFK3GH · pith_short_16: 2VCNIFAFK3GH6BHC · pith_short_8: 2VCNIFAF

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/2VCNIFAFK3GH6BHCSM7SUA4LFX \
  | 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: d544d4140556cc7f04e2933f2a038b2dd63ba98c98c73350c1f7e323c4793e4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e7c63c300518f42000b3d810edd8c730b1b381c162ee0914d46f679e4a91677",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-12-14T14:37:43Z",
    "title_canon_sha256": "2c693171f082fe41df1c22b06ea6a78d5ee6098d06ffa2cb7b3f9e395f525621"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.07590",
    "kind": "arxiv",
    "version": 1
  }
}