Pith Number

pith:UDR5P5XW

pith:2019:UDR5P5XWEF3TXNJFN4VTLOJH6M

not attested not anchored not stored refs pending

Causal orders, quantum circuits and spacetime: distinguishing between definite and superposed causal orders

Marko Vojinovic, Nikola Paunkovic

arxiv:1905.09682 v5 · 2019-05-23 · quant-ph · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UDR5P5XWEF3TXNJFN4VTLOJH6M}

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.

Cited by

1 paper in Pith

Toward an Experimental Device-Independent Verification of Indefinite Causal Order

Receipt and verification

First computed	2026-07-05T01:08:09.586920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0e3d7f6f621773bb5256f2b35b927f33df6ec76325a3d0d86491bbc1ed7503c

Aliases

arxiv: 1905.09682 · arxiv_version: 1905.09682v5 · doi: 10.48550/arxiv.1905.09682 · pith_short_12: UDR5P5XWEF3T · pith_short_16: UDR5P5XWEF3TXNJF · pith_short_8: UDR5P5XW

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/UDR5P5XWEF3TXNJFN4VTLOJH6M \
  | 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: a0e3d7f6f621773bb5256f2b35b927f33df6ec76325a3d0d86491bbc1ed7503c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "728dbdf82968a626b0545e68d6d8b9aa6299b01c69a5a447959888955a2cdb27",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-05-23T14:30:52Z",
    "title_canon_sha256": "37addbc7444c04e2053a71945095a995bdeae2440012c0247550a31d18187ad7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09682",
    "kind": "arxiv",
    "version": 5
  }
}