Pith Number

pith:CKTHKBNW

pith:2019:CKTHKBNWZJJR2ZWSCYUKXUV6NK

not attested not anchored not stored refs pending

Answers to a few questions regarding the BMV experiment

Chiara Marletto, Vlatko Vedral

arxiv:1907.08994 v1 · 2019-07-21 · 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{CKTHKBNWZJJR2ZWSCYUKXUV6NK}

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	2026-05-17T23:40:02.473025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12a67505b6ca531d66d21628abd2be6ab5f616ae8d86d8272fb965d6c38c764f

Aliases

arxiv: 1907.08994 · arxiv_version: 1907.08994v1 · doi: 10.48550/arxiv.1907.08994 · pith_short_12: CKTHKBNWZJJR · pith_short_16: CKTHKBNWZJJR2ZWS · pith_short_8: CKTHKBNW

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/CKTHKBNWZJJR2ZWSCYUKXUV6NK \
  | 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: 12a67505b6ca531d66d21628abd2be6ab5f616ae8d86d8272fb965d6c38c764f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd0d4e5cae7439114080084cda276b790198375d3e4cb9b43e9a1db6980e2cf5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-07-21T15:55:37Z",
    "title_canon_sha256": "074863f0b964dbf87785dde33a02c71fe7d848412c52434ae42872e39cb1bc43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.08994",
    "kind": "arxiv",
    "version": 1
  }
}