Pith Number

pith:KBYXYY4Z

pith:2016:KBYXYY4ZFOCLJ3IHOU3T4SM6TG

not attested not anchored not stored refs pending

The origins of the research on the foundations of quantum mechanics (and other critical activities) in italy during the 1970s

Angelo Baracca, Flavio Del Santo, Silvio Bergia

arxiv:1608.05197 v3 · 2016-08-18 · physics.hist-ph · 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{KBYXYY4ZFOCLJ3IHOU3T4SM6TG}

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	2026-05-18T00:59:19.741352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50717c63992b84b4ed0775373e499e99ba97f3bef1cd8e38c13f5d4e7eea936c

Aliases

arxiv: 1608.05197 · arxiv_version: 1608.05197v3 · doi: 10.48550/arxiv.1608.05197 · pith_short_12: KBYXYY4ZFOCL · pith_short_16: KBYXYY4ZFOCLJ3IH · pith_short_8: KBYXYY4Z

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/KBYXYY4ZFOCLJ3IHOU3T4SM6TG \
  | 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: 50717c63992b84b4ed0775373e499e99ba97f3bef1cd8e38c13f5d4e7eea936c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a35e1140c0cb6ad87899949853c05bf4acae1899b79e1f714359ab6930b5d19",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2016-08-18T07:33:32Z",
    "title_canon_sha256": "448a0ca57d126f10ecf7af060924ab4919c02f8c3f204ec819ec3531976f0cf8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.05197",
    "kind": "arxiv",
    "version": 3
  }
}