Pith Number

pith:ECAI5Q4H

pith:2014:ECAI5Q4H3F53QCJ7FGQTUIFZC4

not attested not anchored not stored refs pending

Tomography by noise

Ch. Silberhorn, D. Mogilevtsev, G. Harder, N. Korolkova

arxiv:1409.8076 v2 · 2014-09-29 · quant-ph

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ECAI5Q4H3F53QCJ7FGQTUIFZC4}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:40:46.924723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20808ec387d97bb8093f29a13a20b917238902ece9bfcbebc4388a672c3186c5

Aliases

arxiv: 1409.8076 · arxiv_version: 1409.8076v2 · doi: 10.48550/arxiv.1409.8076 · pith_short_12: ECAI5Q4H3F53 · pith_short_16: ECAI5Q4H3F53QCJ7 · pith_short_8: ECAI5Q4H

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/ECAI5Q4H3F53QCJ7FGQTUIFZC4 \
  | 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: 20808ec387d97bb8093f29a13a20b917238902ece9bfcbebc4388a672c3186c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf473f172ea8db8e1ab5ba0c611e8a4df4ac639f49129c3a3c0071fbdd78e458",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-09-29T11:30:02Z",
    "title_canon_sha256": "fa1b31ff8b47993f16d7efc80fac194346685431adf8a99f301044c3f8108fa0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.8076",
    "kind": "arxiv",
    "version": 2
  }
}