Pith Number

pith:PE5JARJU

pith:2015:PE5JARJUYNP7Q7KWK4EFFKQSS4

not attested not anchored not stored refs pending

Fundamental limitations in the purifications of tensor networks

D. P\'erez-Garc\'ia, G. De las Cuevas, J. I. Cirac, M. M. Wolf, T. S. Cubitt

arxiv:1512.05709 v2 · 2015-12-17 · 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{PE5JARJUYNP7Q7KWK4EFFKQSS4}

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	2026-05-18T01:10:59.563253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

793a904534c35ff87d56570852aa12971668fb2af64bd41eefc61e254c931dfd

Aliases

arxiv: 1512.05709 · arxiv_version: 1512.05709v2 · doi: 10.48550/arxiv.1512.05709 · pith_short_12: PE5JARJUYNP7 · pith_short_16: PE5JARJUYNP7Q7KW · pith_short_8: PE5JARJU

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/PE5JARJUYNP7Q7KWK4EFFKQSS4 \
  | 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: 793a904534c35ff87d56570852aa12971668fb2af64bd41eefc61e254c931dfd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80d81fb0cfd4b73fba7933e81bfc8371b033b3774326e1c448b2bab447c491e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-12-17T18:28:21Z",
    "title_canon_sha256": "ab045b2daae2e1584b28a5fa95bb789a331efb29263535f195b4b76f1d032ea2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.05709",
    "kind": "arxiv",
    "version": 2
  }
}