Pith Number

pith:7NNQPBPV

pith:2014:7NNQPBPVBXWLBP3KFGBM5ZPSNL

not attested not anchored not stored refs pending

Collapse Models and Perceptual Processes

G.C. Ghirardi, R. Romano

arxiv:1401.3773 v1 · 2014-01-15 · 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{7NNQPBPVBXWLBP3KFGBM5ZPSNL}

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	2026-05-18T03:02:07.000801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb5b0785f50decb0bf6a2982cee5f26aca9bb72a889e0cf2e17e3aedd1d64615

Aliases

arxiv: 1401.3773 · arxiv_version: 1401.3773v1 · doi: 10.48550/arxiv.1401.3773 · pith_short_12: 7NNQPBPVBXWL · pith_short_16: 7NNQPBPVBXWLBP3K · pith_short_8: 7NNQPBPV

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/7NNQPBPVBXWLBP3KFGBM5ZPSNL \
  | 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: fb5b0785f50decb0bf6a2982cee5f26aca9bb72a889e0cf2e17e3aedd1d64615

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89e12683d31e9de8c5766462ea14f37a82c0708d08fb29e5de7ae6606eb39210",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-01-15T21:56:53Z",
    "title_canon_sha256": "8df584019daf5028421557d004880cf4665a06647b9c58de5b3418db8cc245ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3773",
    "kind": "arxiv",
    "version": 1
  }
}