Pith Number

pith:ATJ25QIF

pith:2011:ATJ25QIFIHHSBWIZJVOKZCFT2V

not attested not anchored not stored refs pending

Estimating Pre- and Post-Selected Ensembles

Sandu Popescu, Serge Massar

arxiv:1106.0405 v2 · 2011-06-02 · 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{ATJ25QIFIHHSBWIZJVOKZCFT2V}

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	2026-05-18T02:01:44.375874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04d3aec10541cf20d9194d5cac88b3d57ca1627fa93b212a3462c6dd8b724c0e

Aliases

arxiv: 1106.0405 · arxiv_version: 1106.0405v2 · doi: 10.48550/arxiv.1106.0405 · pith_short_12: ATJ25QIFIHHS · pith_short_16: ATJ25QIFIHHSBWIZ · pith_short_8: ATJ25QIF

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/ATJ25QIFIHHSBWIZJVOKZCFT2V \
  | 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: 04d3aec10541cf20d9194d5cac88b3d57ca1627fa93b212a3462c6dd8b724c0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b7b498af61cba82b7615956d1710a11756867a2432c8b5c82aa33352e87ccb8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-06-02T11:36:48Z",
    "title_canon_sha256": "978d463ef7cb485e2f228a23b312d6930ef2856db0b814077157d3b29c4b9c45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.0405",
    "kind": "arxiv",
    "version": 2
  }
}