Pith Number

pith:4LSJQCQ2

pith:2015:4LSJQCQ2MHYYFDMOYNOLKDPXSC

not attested not anchored not stored refs pending

Spacetime diamonds

Daiqin Su, T.C. Ralph

arxiv:1507.00423 v2 · 2015-07-02 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4LSJQCQ2MHYYFDMOYNOLKDPXSC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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.

Cited by

1 paper in Pith

New-born strings are tensionless

Receipt and verification

First computed	2026-05-18T01:20:36.337086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2e4980a1a61f1828d8ec35cb50df7909e84375c760772b3e99e619d3e1ec4ab

Aliases

arxiv: 1507.00423 · arxiv_version: 1507.00423v2 · doi: 10.48550/arxiv.1507.00423 · pith_short_12: 4LSJQCQ2MHYY · pith_short_16: 4LSJQCQ2MHYYFDMO · pith_short_8: 4LSJQCQ2

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/4LSJQCQ2MHYYFDMOYNOLKDPXSC \
  | 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: e2e4980a1a61f1828d8ec35cb50df7909e84375c760772b3e99e619d3e1ec4ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "915505b74cd1a6ae5b0f0f2d6c0e8fb8e5e8bd6d1300804f7f3f854a6bc4f47a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-07-02T04:13:55Z",
    "title_canon_sha256": "89698f7d09d794bf331119a651c40531b0d80a1d5ecd24d45fa467d188d8348c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.00423",
    "kind": "arxiv",
    "version": 2
  }
}