Pith Number

pith:EFHHM2IC

pith:2014:EFHHM2ICFESAZNL4AUVLISR6KN

not attested not anchored not stored refs pending

PPT-inducing, distillation-prohibiting, and entanglement-binding quantum channels

Sergey N. Filippov

arxiv:1409.4036 v1 · 2014-09-14 · 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{EFHHM2ICFESAZNL4AUVLISR6KN}

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	2026-05-18T02:39:18.780775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

214e76690229240cb57c052ab44a3e5356677505d0ea68800db68d70f80c5499

Aliases

arxiv: 1409.4036 · arxiv_version: 1409.4036v1 · doi: 10.48550/arxiv.1409.4036 · pith_short_12: EFHHM2ICFESA · pith_short_16: EFHHM2ICFESAZNL4 · pith_short_8: EFHHM2IC

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/EFHHM2ICFESAZNL4AUVLISR6KN \
  | 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: 214e76690229240cb57c052ab44a3e5356677505d0ea68800db68d70f80c5499

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e4c993ecf0513ed072b253b75bcdd73da2a6ebd566b52b0fa7224a2769ded08",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-09-14T09:22:38Z",
    "title_canon_sha256": "aed9ccfe821d370c32ef605abf1ed81355530c66024f7e9262b292b3eb56f95a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4036",
    "kind": "arxiv",
    "version": 1
  }
}