Pith Number

pith:EBG4KSQL

pith:2015:EBG4KSQL5MQRBFIRXGJMGYVSSO

not attested not anchored not stored refs pending

X-rays help to unfuzzy the concept of measurement

B. C. Hiesmayr, C. Curceanu, K. Piscicchia

arxiv:1502.05961 v1 · 2015-02-20 · 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{EBG4KSQL5MQRBFIRXGJMGYVSSO}

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	2026-05-18T01:55:32.684581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

204dc54a0beb21109511b992c362b2939181c6a2022e785ad1ed194cafc0d33e

Aliases

arxiv: 1502.05961 · arxiv_version: 1502.05961v1 · doi: 10.48550/arxiv.1502.05961 · pith_short_12: EBG4KSQL5MQR · pith_short_16: EBG4KSQL5MQRBFIR · pith_short_8: EBG4KSQL

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/EBG4KSQL5MQRBFIRXGJMGYVSSO \
  | 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: 204dc54a0beb21109511b992c362b2939181c6a2022e785ad1ed194cafc0d33e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80d0902c51e52bb9f51deaa3774274042fdf2b0c22be06c0957140f9462a45c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-02-20T18:12:40Z",
    "title_canon_sha256": "370db8acd43150ac11050058b14c229762617b0e6178d5538fb7006792b611f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05961",
    "kind": "arxiv",
    "version": 1
  }
}