Pith Number

pith:A77DQ3L4

pith:2022:A77DQ3L4QIJDJGYTTSHOGXFTS4

not attested not anchored not stored refs pending

No-masking theorem for observables

Abhay Srivastav, Arun Kumar Pati, Swapnil Bhowmick

arxiv:2209.12261 v2 · 2022-09-25 · 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{A77DQ3L4QIJDJGYTTSHOGXFTS4}

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	2026-07-05T08:55:47.649127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07fe386d7c8212349b139c8ee35cb3970816ffbac684e25badf87d1b2a151671

Aliases

arxiv: 2209.12261 · arxiv_version: 2209.12261v2 · doi: 10.48550/arxiv.2209.12261 · pith_short_12: A77DQ3L4QIJD · pith_short_16: A77DQ3L4QIJDJGYT · pith_short_8: A77DQ3L4

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/A77DQ3L4QIJDJGYTTSHOGXFTS4 \
  | 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: 07fe386d7c8212349b139c8ee35cb3970816ffbac684e25badf87d1b2a151671

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d070e4df58ef5117c6115fcecc9221483ec774e26c5a8a6e4efd4e9fc624ccd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-09-25T16:40:06Z",
    "title_canon_sha256": "5ac917fa21f3c1805c1f1167bacb9b5519bd07d1db5dba5f019640df514b085f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.12261",
    "kind": "arxiv",
    "version": 2
  }
}