Pith Number

pith:NQXQHUJU

pith:2010:NQXQHUJUB4A6KQP5CQ7K3XD2K5

not attested not anchored not stored refs pending

The connection between `emergence of time from quantum gravity' and `dynamical collapse of the wave-function in quantum mechanics'

T. P. Singh

arxiv:1005.2682 v2 · 2010-05-15 · gr-qc · 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{NQXQHUJUB4A6KQP5CQ7K3XD2K5}

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	2026-05-18T04:31:11.763967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c2f03d1340f01e541fd143eaddc7a5754a8d89ac51b5bf2542f70653e1fd816

Aliases

arxiv: 1005.2682 · arxiv_version: 1005.2682v2 · doi: 10.48550/arxiv.1005.2682 · pith_short_12: NQXQHUJUB4A6 · pith_short_16: NQXQHUJUB4A6KQP5 · pith_short_8: NQXQHUJU

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/NQXQHUJUB4A6KQP5CQ7K3XD2K5 \
  | 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: 6c2f03d1340f01e541fd143eaddc7a5754a8d89ac51b5bf2542f70653e1fd816

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c5da93053489a40ddba9237f3fcf6aabf8dc4bebda5fdaf66cd772f694625ab",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-05-15T15:07:44Z",
    "title_canon_sha256": "ec95c1c56f7b9077dffeecc6e7532cdb13889ad18c3655e97899174ff9c6b5dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.2682",
    "kind": "arxiv",
    "version": 2
  }
}