Pith Number

pith:XBRPB6WE

pith:2014:XBRPB6WEEH5NVLG3LLJCHYH7JR

not attested not anchored not stored refs pending

The twin paradox in the presence of gravity

M. Gasperini

arxiv:1409.1818 v1 · 2014-09-05 · 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{XBRPB6WEEH5NVLG3LLJCHYH7JR}

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	2026-05-18T02:43:25.136552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b862f0fac421fadaacdb5ad223e0ff4c4986bcff783124e78f3b6ae72c86a94f

Aliases

arxiv: 1409.1818 · arxiv_version: 1409.1818v1 · doi: 10.48550/arxiv.1409.1818 · pith_short_12: XBRPB6WEEH5N · pith_short_16: XBRPB6WEEH5NVLG3 · pith_short_8: XBRPB6WE

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/XBRPB6WEEH5NVLG3LLJCHYH7JR \
  | 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: b862f0fac421fadaacdb5ad223e0ff4c4986bcff783124e78f3b6ae72c86a94f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b16f5ee922dd7012cbc10add110c73d8c3b43bac7f3763423138f73f9f9a5cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-09-05T14:31:44Z",
    "title_canon_sha256": "3777a2bc8c7535c3c851e4f3058ccc84b81f9e4c794a0ca3d0c0a6317b041237"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.1818",
    "kind": "arxiv",
    "version": 1
  }
}