Pith Number

pith:IRG6SA3U

pith:2010:IRG6SA3UABERQLK4TDWIY2266H

not attested not anchored not stored refs pending

The Myth of the Twin Paradox

E. Fischer

arxiv:1008.0174 v1 · 2010-08-01 · physics.gen-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{IRG6SA3UABERQLK4TDWIY2266H}

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	2026-05-18T04:42:43.891628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

444de903740049182d5c98ec8c6b5ef1c612eb289194968736febe3c4fe74b59

Aliases

arxiv: 1008.0174 · arxiv_version: 1008.0174v1 · doi: 10.48550/arxiv.1008.0174 · pith_short_12: IRG6SA3UABER · pith_short_16: IRG6SA3UABERQLK4 · pith_short_8: IRG6SA3U

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/IRG6SA3UABERQLK4TDWIY2266H \
  | 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: 444de903740049182d5c98ec8c6b5ef1c612eb289194968736febe3c4fe74b59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "386e3c7ad2d3b1d4f9d7dbe786048e4c28aef4271b0fcd52e7e57c523667af31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2010-08-01T13:34:06Z",
    "title_canon_sha256": "db4a97b3e116150f13cc6ad2f6e41092ef36daa9b914b6299bdecc675f8f261c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.0174",
    "kind": "arxiv",
    "version": 1
  }
}