Pith Number

pith:TMQGZQSJ

pith:2015:TMQGZQSJG47ZECZWY5MT26SLLU

not attested not anchored not stored refs pending

Exchange of information between system and environment: facts and myths

Filip A. Wudarski, Francesco Petruccione

arxiv:1511.09279 v2 · 2015-11-30 · 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{TMQGZQSJG47ZECZWY5MT26SLLU}

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	2026-05-18T01:17:52.170989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b206cc249373f920b36c7593d7a4b5d3d08555df2dfd1bcb4e61b4e56afce5c

Aliases

arxiv: 1511.09279 · arxiv_version: 1511.09279v2 · doi: 10.48550/arxiv.1511.09279 · pith_short_12: TMQGZQSJG47Z · pith_short_16: TMQGZQSJG47ZECZW · pith_short_8: TMQGZQSJ

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/TMQGZQSJG47ZECZWY5MT26SLLU \
  | 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: 9b206cc249373f920b36c7593d7a4b5d3d08555df2dfd1bcb4e61b4e56afce5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66195c853417799799eb5690e71619cdca2769cecc6e40d7b5ca0e500b9cbc48",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-11-30T12:46:59Z",
    "title_canon_sha256": "c1bad7e1addc9fea781e6927decabe8dc393bc161f1e426155c63f3bd6e6bff9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.09279",
    "kind": "arxiv",
    "version": 2
  }
}