Pith Number

pith:7TF5SJWD

pith:2017:7TF5SJWD3RYPFE4IPAR2ZWDT7S

not attested not anchored not stored refs pending

Connecting processes with indefinite causal order and multi-time quantum states

Anthony J. Short, Nicolas Brunner, Paul Skrzypczyk, Ralph Silva, Sandu Popescu, Yelena Guryanova

arxiv:1701.08638 v2 · 2017-01-30 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7TF5SJWD3RYPFE4IPAR2ZWDT7S}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:20:22.366380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fccbd926c3dc70f293887823acd873fc8540b78f0b046d89fb8c0ac2366df97a

Aliases

arxiv: 1701.08638 · arxiv_version: 1701.08638v2 · doi: 10.48550/arxiv.1701.08638 · pith_short_12: 7TF5SJWD3RYP · pith_short_16: 7TF5SJWD3RYPFE4I · pith_short_8: 7TF5SJWD

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/7TF5SJWD3RYPFE4IPAR2ZWDT7S \
  | 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: fccbd926c3dc70f293887823acd873fc8540b78f0b046d89fb8c0ac2366df97a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45ab88c1dbd7c8804a0b1cb5647bc729e5fde64a2c7228a84da8c041a95c8043",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-01-30T15:14:08Z",
    "title_canon_sha256": "be92f584bd8cf6468ca31c69a69ef8c6fc88d5feed7336168e34ad128badacc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.08638",
    "kind": "arxiv",
    "version": 2
  }
}