Pith Number

pith:T2J6OLWT

pith:2010:T2J6OLWT3S3Y4AO6BVCXBUIK65

not attested not anchored not stored refs pending

On the impossibility of faithfully storing single-photons with the three-pulse photon echo

Christoph Simon, Hugues de Riedmatten, Jean-Louis Le Gouet, Jiri Minar, Mikael Afzelius, Nicolas Gisin, Nicolas Sangouard, Thierry Chaneliere, Wolfgang Tittel

arxiv:1002.5022 v1 · 2010-02-26 · 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{T2J6OLWT3S3Y4AO6BVCXBUIK65}

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	2026-05-17T23:54:11.969016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e93e72ed3dcb78e01de0d4570d10af77f6373a967ac70c624120ebbdd0bd642

Aliases

arxiv: 1002.5022 · arxiv_version: 1002.5022v1 · doi: 10.48550/arxiv.1002.5022 · pith_short_12: T2J6OLWT3S3Y · pith_short_16: T2J6OLWT3S3Y4AO6 · pith_short_8: T2J6OLWT

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/T2J6OLWT3S3Y4AO6BVCXBUIK65 \
  | 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: 9e93e72ed3dcb78e01de0d4570d10af77f6373a967ac70c624120ebbdd0bd642

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "148fbc3bbe1c800481ae683b94f5b787bce7cd6ed14b112bd12f7f138e7ad662",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-02-26T16:32:08Z",
    "title_canon_sha256": "2407ce98764befe6c1ad3e39d40db57298e8a1aa2acdc27c1d7317b62851e9b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.5022",
    "kind": "arxiv",
    "version": 1
  }
}