Pith Number

pith:EVRXJBZ4

pith:2018:EVRXJBZ4GSCJI46KFEXAOIYE4N

not attested not anchored not stored refs pending

Recovering noise-free quantum observables

Matthew Otten, Stephen Gray

arxiv:1806.07860 v1 · 2018-06-20 · 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{EVRXJBZ4GSCJI46KFEXAOIYE4N}

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	2026-05-17T23:55:14.298546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

256374873c34849473ca292e072304e37bfeb8bf677acff7198c291f9691ea30

Aliases

arxiv: 1806.07860 · arxiv_version: 1806.07860v1 · doi: 10.48550/arxiv.1806.07860 · pith_short_12: EVRXJBZ4GSCJ · pith_short_16: EVRXJBZ4GSCJI46K · pith_short_8: EVRXJBZ4

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/EVRXJBZ4GSCJI46KFEXAOIYE4N \
  | 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: 256374873c34849473ca292e072304e37bfeb8bf677acff7198c291f9691ea30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c66e8c610049a333a4fd9c8482d110769588e4c2816b967eb946ba0adbb8122f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-06-20T17:38:51Z",
    "title_canon_sha256": "b9870ac45fd7c04f217498b5753f639fc05fd82aed03928938788893e879e329"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.07860",
    "kind": "arxiv",
    "version": 1
  }
}