Pith Number

pith:VA6V753E

pith:2011:VA6V753ED44WNNUR33SO6M233S

not attested not anchored not stored refs pending

Relativistic quantum information and time machines

Timothy C. Ralph, Tony G. Downes

arxiv:1111.2648 v1 · 2011-11-11 · 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{VA6V753ED44WNNUR33SO6M233S}

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	2026-05-18T01:59:42.190839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a83d5ff7641f3966b691dee4ef335bdc8e45613d69736805c2ecb53a6acac198

Aliases

arxiv: 1111.2648 · arxiv_version: 1111.2648v1 · doi: 10.48550/arxiv.1111.2648 · pith_short_12: VA6V753ED44W · pith_short_16: VA6V753ED44WNNUR · pith_short_8: VA6V753E

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/VA6V753ED44WNNUR33SO6M233S \
  | 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: a83d5ff7641f3966b691dee4ef335bdc8e45613d69736805c2ecb53a6acac198

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbedf33dabda91cdb8afb0c034baa26b84ce3f05c9621af10a13411b8b93fa66",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-11-11T02:41:01Z",
    "title_canon_sha256": "59afb673ced8b47756fbe7601c8dc8edc895f21eb1e807fbbcb5994a60478f37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.2648",
    "kind": "arxiv",
    "version": 1
  }
}