Pith Number

pith:Z74HKC5E

pith:2015:Z74HKC5EOJ2AI4MPHRGV6ZCDAG

not attested not anchored not stored refs pending

Quantum asymmetry between time and space

Joan A. Vaccaro

arxiv:1502.04012 v2 · 2015-02-13 · quant-ph · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z74HKC5EOJ2AI4MPHRGV6ZCDAG}

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	2026-05-18T01:22:12.835247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cff8750ba4727404718f3c4d5f64430190b004d3a82714c4fa856336a3352e4e

Aliases

arxiv: 1502.04012 · arxiv_version: 1502.04012v2 · doi: 10.48550/arxiv.1502.04012 · pith_short_12: Z74HKC5EOJ2A · pith_short_16: Z74HKC5EOJ2AI4MP · pith_short_8: Z74HKC5E

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/Z74HKC5EOJ2AI4MPHRGV6ZCDAG \
  | 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: cff8750ba4727404718f3c4d5f64430190b004d3a82714c4fa856336a3352e4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "518460748174d1015b25e3492f40cd41dc66b3ac20e3c4a9849f61074aadc08e",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-02-13T14:48:10Z",
    "title_canon_sha256": "78f4c0b4085032d46b1d817c1f53610d04314925a2fb5bdbd2cc317a5f136160"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04012",
    "kind": "arxiv",
    "version": 2
  }
}