Pith Number

pith:Q4QBJGJX

pith:2010:Q4QBJGJX5VCNJVQMR3YFF76GWP

not attested not anchored not stored refs pending

Secure communication in the twin paradox

Juan Carlos Garcia-Escartin, Pedro Chamorro-Posada

arxiv:1006.2705 v2 · 2010-06-14 · physics.class-ph · 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{Q4QBJGJX5VCNJVQMR3YFF76GWP}

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	2026-05-18T04:24:53.102862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8720149937ed44d4d60c8ef052ffc6b3f873be6eac563d32628092cbfd712857

Aliases

arxiv: 1006.2705 · arxiv_version: 1006.2705v2 · doi: 10.48550/arxiv.1006.2705 · pith_short_12: Q4QBJGJX5VCN · pith_short_16: Q4QBJGJX5VCNJVQM · pith_short_8: Q4QBJGJX

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/Q4QBJGJX5VCNJVQMR3YFF76GWP \
  | 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: 8720149937ed44d4d60c8ef052ffc6b3f873be6eac563d32628092cbfd712857

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44da809f3c844ee9fd1ca78534dc313f0c1bfeb05cead32b17bacd54f04f029d",
    "cross_cats_sorted": [
      "gr-qc",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2010-06-14T13:19:40Z",
    "title_canon_sha256": "05ade80f11a37e654b0ebfcbdab39abf543ef50b4ae051c520d392c75aa6d44e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.2705",
    "kind": "arxiv",
    "version": 2
  }
}