Pith Number

pith:4QBAMPKS

pith:2013:4QBAMPKSRT2MB2RZN3NZBU2Q5V

not attested not anchored not stored refs pending

Gravity-related wave function collapse: mass density resolution

Lajos Di\'osi

arxiv:1302.5365 v1 · 2013-02-21 · quant-ph · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4QBAMPKSRT2MB2RZN3NZBU2Q5V}

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	2026-05-18T02:34:52.748786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e402063d528cf4c0ea396edb90d350ed5c7505c711a2e2f1747dd808ae545203

Aliases

arxiv: 1302.5365 · arxiv_version: 1302.5365v1 · doi: 10.48550/arxiv.1302.5365 · pith_short_12: 4QBAMPKSRT2M · pith_short_16: 4QBAMPKSRT2MB2RZ · pith_short_8: 4QBAMPKS

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/4QBAMPKSRT2MB2RZN3NZBU2Q5V \
  | 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: e402063d528cf4c0ea396edb90d350ed5c7505c711a2e2f1747dd808ae545203

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a31841f05a278e5a12f27fecb26ef32061f213a15937ca9c0a8b2f0dc1d1b90b",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-02-21T18:25:25Z",
    "title_canon_sha256": "67478e5776c78e148854eb6b9ad184b679e1090221661206db5b5808df54b2eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.5365",
    "kind": "arxiv",
    "version": 1
  }
}