Pith Number

pith:LDZFJ3BL

pith:2015:LDZFJ3BLWCFUDQJKMOIIFFW6CV

not attested not anchored not stored refs pending

Information transmission over an amplitude damping channel with an arbitrary degree of memory

A. D'Arrigo, C. Macchiavello, G. Benenti, G. Falci

arxiv:1510.05313 v1 · 2015-10-18 · 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{LDZFJ3BLWCFUDQJKMOIIFFW6CV}

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	2026-05-18T01:23:02.832971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58f254ec2bb08b41c12a63908296de1561aa8d3a7672273e5e51fb649fef66bb

Aliases

arxiv: 1510.05313 · arxiv_version: 1510.05313v1 · doi: 10.48550/arxiv.1510.05313 · pith_short_12: LDZFJ3BLWCFU · pith_short_16: LDZFJ3BLWCFUDQJK · pith_short_8: LDZFJ3BL

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/LDZFJ3BLWCFUDQJKMOIIFFW6CV \
  | 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: 58f254ec2bb08b41c12a63908296de1561aa8d3a7672273e5e51fb649fef66bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95060898b67f33ad0c7974b7b0f8adcf44f55373563e74bd17182c37b12be7ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-10-18T21:54:25Z",
    "title_canon_sha256": "a7e23a17d35a583996082f4739618d7c25fb8a99f0c631899c529de8b25dd217"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.05313",
    "kind": "arxiv",
    "version": 1
  }
}