Pith Number

pith:L7UDSHR3

pith:2018:L7UDSHR3RI2SGGOCJXIYQSVBLF

not attested not anchored not stored refs pending

The measure of PBR's reality

Eduardo Nahmad-Achar, Natalia S\'anchez-Kuntz

arxiv:1810.11072 v1 · 2018-10-25 · 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{L7UDSHR3RI2SGGOCJXIYQSVBLF}

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	2026-05-18T00:02:15.294028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fe8391e3b8a352319c24dd1884aa15940fe6f7caa4d2e5e6218e4b0879e9dc2

Aliases

arxiv: 1810.11072 · arxiv_version: 1810.11072v1 · doi: 10.48550/arxiv.1810.11072 · pith_short_12: L7UDSHR3RI2S · pith_short_16: L7UDSHR3RI2SGGOC · pith_short_8: L7UDSHR3

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/L7UDSHR3RI2SGGOCJXIYQSVBLF \
  | 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: 5fe8391e3b8a352319c24dd1884aa15940fe6f7caa4d2e5e6218e4b0879e9dc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc8fd241975f70ad711fbfa36855531e998acfd88e0c1f8e5ba9bdbeee892060",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-10-25T19:10:00Z",
    "title_canon_sha256": "ec38523990c13b19f0e04112f73014b786d94fe683eeb03d47e7116642af6bf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.11072",
    "kind": "arxiv",
    "version": 1
  }
}