Pith Number

pith:4S7YD7G4

pith:2011:4S7YD7G4DIRPNUFYKAMOTPXNVR

not attested not anchored not stored refs pending

Optimal teleportation with a noisy source

Bruno G. Taketani, Fernando de Melo, Ruynet L. de Matos Filho

arxiv:1102.1737 v2 · 2011-02-08 · 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{4S7YD7G4DIRPNUFYKAMOTPXNVR}

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	2026-05-18T04:03:19.455531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4bf81fcdc1a22f6d0b85018e9beedac4cb490bb6bf6549ab21184d213873819

Aliases

arxiv: 1102.1737 · arxiv_version: 1102.1737v2 · doi: 10.48550/arxiv.1102.1737 · pith_short_12: 4S7YD7G4DIRP · pith_short_16: 4S7YD7G4DIRPNUFY · pith_short_8: 4S7YD7G4

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/4S7YD7G4DIRPNUFYKAMOTPXNVR \
  | 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: e4bf81fcdc1a22f6d0b85018e9beedac4cb490bb6bf6549ab21184d213873819

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "656a64d4923737fa3b77d5c51524effc501ef832eec7bfb7b6ac1e25189d0c27",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-02-08T21:31:37Z",
    "title_canon_sha256": "bc1bb492bf5cf14289fa040118ead43ef2a68ca1e71b38aaac665d95e99833ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.1737",
    "kind": "arxiv",
    "version": 2
  }
}