Pith Number

pith:VAXRQZNQ

pith:2015:VAXRQZNQYPJWWBNZLO5CJCBXHH

not attested not anchored not stored refs pending

Unitary evolution of the quantum universe with a Brown-Kuchar dust

Hideki Maeda

arxiv:1502.06954 v3 · 2015-02-24 · 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{VAXRQZNQYPJWWBNZLO5CJCBXHH}

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	2026-05-18T01:24:33.146707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a82f1865b0c3d36b05b95bba24883739f9686b13184fae48e79fdfce0b6ea76c

Aliases

arxiv: 1502.06954 · arxiv_version: 1502.06954v3 · doi: 10.48550/arxiv.1502.06954 · pith_short_12: VAXRQZNQYPJW · pith_short_16: VAXRQZNQYPJWWBNZ · pith_short_8: VAXRQZNQ

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/VAXRQZNQYPJWWBNZLO5CJCBXHH \
  | 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: a82f1865b0c3d36b05b95bba24883739f9686b13184fae48e79fdfce0b6ea76c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afe3315399e8c75d5e818971bbd786a085f2d33a06d3d3408934a80347f3761e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-02-24T20:59:59Z",
    "title_canon_sha256": "e1b0c53b31499fde544a05e2522aedbe3fc9026097377b5484ccc0a3ee037c23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06954",
    "kind": "arxiv",
    "version": 3
  }
}