Pith Number

pith:BAYVTXZM

pith:2019:BAYVTXZMEEDYPX5JIALKE7XHGH

not attested not anchored not stored refs pending

Investigation of quantum pigeonhole effect in IBM quantum computer

Antariksha Das, Narendra N. Hegade, Prasanta K. Panigrahi, Swarnadeep Seth

arxiv:1904.12187 v1 · 2019-04-27 · 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{BAYVTXZMEEDYPX5JIALKE7XHGH}

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	2026-05-17T23:47:38.731029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

083159df2c210787dfa94016a27ee731c796b4255f2e0cf99e3590f2ce491b81

Aliases

arxiv: 1904.12187 · arxiv_version: 1904.12187v1 · doi: 10.48550/arxiv.1904.12187 · pith_short_12: BAYVTXZMEEDY · pith_short_16: BAYVTXZMEEDYPX5J · pith_short_8: BAYVTXZM

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/BAYVTXZMEEDYPX5JIALKE7XHGH \
  | 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: 083159df2c210787dfa94016a27ee731c796b4255f2e0cf99e3590f2ce491b81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32f0dea2355b050ef1dc2fb94c65805c81ea1b5517a5052fff54fdc6f7e1b8d2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-04-27T17:35:06Z",
    "title_canon_sha256": "e957167dd64fd46bc8d2d0379ca5dca7aa77b5f680e77db3fff23e84a2b40f01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.12187",
    "kind": "arxiv",
    "version": 1
  }
}