Pith Number

pith:G7WNK2MX

pith:2013:G7WNK2MXWRZKEYBDPYBEJIGVDH

not attested not anchored not stored refs pending

Why the length of a quantum string cannot be Lorentz contracted

Antonio Aurilia, Euro Spallucci

arxiv:1309.7741 v1 · 2013-09-30 · hep-th · gr-qc · hep-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{G7WNK2MXWRZKEYBDPYBEJIGVDH}

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	2026-05-18T03:11:48.443549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37ecd56997b472a260237e0244a0d519ee6da56e2c20bf3efdad7dfcccb67bce

Aliases

arxiv: 1309.7741 · arxiv_version: 1309.7741v1 · doi: 10.48550/arxiv.1309.7741 · pith_short_12: G7WNK2MXWRZK · pith_short_16: G7WNK2MXWRZKEYBD · pith_short_8: G7WNK2MX

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/G7WNK2MXWRZKEYBDPYBEJIGVDH \
  | 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: 37ecd56997b472a260237e0244a0d519ee6da56e2c20bf3efdad7dfcccb67bce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7f78c2c3a64260726bb92062efe513533e265542afd1886bc494eb903ecaf0b",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-09-30T07:24:34Z",
    "title_canon_sha256": "8dafb57fd450a71df8a243616e93a0f3be4d88976a534ef60d41183866acba97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7741",
    "kind": "arxiv",
    "version": 1
  }
}